Mopar1973Man
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MAP (Manifold Atmosphere Pressure) SensorThe MAP sensor is installed into the rear of the intake manifold. The MAP sensor reacts to air pressure changes in the intake manifold. It provides an input voltage to the Engine Control Module (ECM). As pressure changes, MAP sensor voltage will change. The change in MAP sensor voltage results in a different input voltage to the ECM. The ECM uses this input, along with inputs from other sensors to provide fuel timing, fuel control and engine protection. Engine protection is used to derate (drop power off) the engine if turbocharger pressure becomes to high. Mopar's Notes: This cleaning procedure will not correct any error codes that are being produced by the MAP sensor (P0237 or P0238). If you got a fueling enhancement box of any type hooked to the MAP sensor lines it could be a internal fault of the boost fooler circuit causing the MAP sensor error code. If the truck is stock then the MAP sensor requires replacement. This cleaning process is normally for Dodge Cummins that have exhaust brakes installed. But there has be a few reports of MAP sensors being dirty without a exhaust brake install. There is no maintenance schedule for cleaning the MAP sensor. If you do have a exhaust brake I suggest every oil change you clean the sensor. I clean mine every 6,000 miles and do a oil change at the same time. Ok. first thing when need to know is where is the MAP sensor located at. It's on the driver side of the engine just passed the fuel filter. Now you need the proper tool to remove it. You need a 1-1/16" deep well socket to remove the MAP sensor. Also your going to need a 3" extension. Preferably 1/2" drive. Mopar's Notes: It could also be a 1 1/4" socket too. Here is what the sensor looks like when its dirty. Now all you got to do is give it a few sprays of carburetor cleaner to remove the oily coating. Now that they are cleaned. Just reverse the process to install them back in the manifold. -
MAP (Manifold Atmosphere Pressure) SensorThe MAP sensor is installed into the rear of the intake manifold. The MAP sensor reacts to air pressure changes in the intake manifold. It provides an input voltage to the Engine Control Module (ECM). As pressure changes, MAP sensor voltage will change. The change in MAP sensor voltage results in a different input voltage to the ECM. The ECM uses this input, along with inputs from other sensors to provide fuel timing, fuel control and engine protection. Engine protection is used to derate (drop power off) the engine if turbocharger pressure becomes to high. Mopar's Notes: This cleaning procedure will not correct any error codes that are being produced by the MAP sensor (P0237 or P0238). If you got a fueling enhancement box of any type hooked to the MAP sensor lines it could be a internal fault of the boost fooler circuit causing the MAP sensor error code. If the truck is stock then the MAP sensor requires replacement. This cleaning process is normally for Dodge Cummins that have exhaust brakes installed. But there has be a few reports of MAP sensors being dirty without a exhaust brake install. There is no maintenance schedule for cleaning the MAP sensor. If you do have a exhaust brake I suggest every oil change you clean the sensor. I clean mine every 6,000 miles and do a oil change at the same time. Ok. first thing when need to know is where is the MAP sensor located at. It's on the driver side of the engine just passed the fuel filter. Now you need the proper tool to remove it. You need a 1-1/16" deep well socket to remove the MAP sensor. Also your going to need a 3" extension. Preferably 1/2" drive. Mopar's Notes: It could also be a 1 1/4" socket too. Here is what the sensor looks like when its dirty. Now all you got to do is give it a few sprays of carburetor cleaner to remove the oily coating. Now that they are cleaned. Just reverse the process to install them back in the manifold. View full Cummins article
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Installing A Timbo's APPS Sensor What's needed? -Timbo Apps - 10MM socket and wrench - T20 torx - Paperclip - Mutlimeter Timbo gave me a Timbo APPS sensor to install on my truck and try out. So I'll tell this much its built much better than the factory ~$450 dollar Dodge stock APPS sensor! I will say it works with the exhaust brake and is high idle ready with no compatibility issues. Timbo APPS sensor has no effect on these options and will continue to work as usual. What I love about the Timbo APPS is the fact there is no longer a need to for adjusting voltage for the APPS to function correctly or probing the PCM or ECM sockets.. And for you Timbo you need some serious Props for coming up with a simple fix for our tucks! My hats off to you sir! But Here is my quick version write up of how to install a Timbo APPS sensor. 1. First you must remove the plastic cover over the bellcrank assembly. There is 2 plastic screws inside a expanding plug. You must remove the plastic screw without pushing against them. Kind of tricky but it can be done. 2. Then grab a 10mm socket and remove all 6 bolts holding the black plate to the mounting on the block... 3. Unplug the old APPS sensor. 4. Remove the 2 Torx screws holding the stock APPS sensor. This part I kind fudge over Timbo idea and made it simple. I grab a pair of pliers grab the head of the screw and broke them loose then used a T20 bit to finish removing. This way there is no worry about stripping the heads out. 5. Replace the APPS sensor with Timbo APPS sensor in the same position and line up the slot with the bellcrank tab. Use the supplied screw. Just before you finish tighten the screw turn the sensor fully clockwise to remove extra twisting slack. (As seen in this picture) 6.Plug in the wiring and re-assemble the APPS sensor plate again with the 6 bolts. 7. Now adjust for slack. Use the supplied paper clip and insert it in the green port on the plug. Turn your key ON and look at the voltage. Now using the screw on the bellcrank stop (one towards the front) adjust till the voltage rises the back off till you hit your original mark plus 1/2 turn. Since mine was .633 I turn till it rose and the backed off to .633 and then another 1/2 turn. Your all set! WARNING! Don't try to adjust the voltage to the voltage on the tag of the old sensor. This is not required nor should be done. Timbo's APPS has no voltage to set to. Also don't bother to try and probe at the PCM this is not required ether! Take notice the final voltage on the DMV (Digital Volt Meter) is no where near the voltage listed on the old stock APPS. 8. Disconnect your batteries and do a APPS Reset. Mopar's Notes: Anyway's, just thought you could put a comment at the bottom of your Timbo APPS write up to tell people that the voltage/set screw adjustment isn't REQUIRED but certainly nice to do to avoid a dead spot at the top of the pedal movement. - Derrick Lucas
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How To Reset / Calibrate Your APPS Sensor WARNING! Any time the batteries are disconnected, batteries ran dead, ECM disconnected, Accelerator Pedal Position Sensor (APPS Sensor) disconnected, Accelerator Pedal Position Sensor (APPS Sensor) replaced the Accelerator Pedal Position Sensor (APPS Sensor) calibration procedure MUST be done again to reset the Accelerator Pedal Position Sensor (APPS Sensor) idle and WOT limits. If the calibration is not done error codes and other issues must occur. 1. Disconnect the batteries and leave disconnected for at least 30 minutes. Now reconnect the batteries. 2. Turn key to ON position. (Do not Start) 3. Without starting engine, slowly press throttle pedal to floor and then slowly release. This step must be done (one time)>to ensure accelerator pedal position sensor calibration has been learned by ECM. If not done, possible DTC’s may be set. 4. Turn the key OFF. NOTE: Disconnecting the batteries will not erase or reset error codes. All it does is erase the Accelerator Pedal Position Sensor (APPS Sensor) calibration in the ECM. As the video below will demostrate.
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Who is Mopar1973Man? My actual name is Michael S. Nelson. Where did this nickname come from? The nickname actually should have been MoparMan but most sites and email account had that taken so I needed a way to get around this problem. So I added the year of my first car to the middle which fixed this problem. My first car was a 1973 Dodge Charger SE. Mopar1973Man, Why did you start a website? Well, that is a strange story. I'm like most of you just a Common Joe needing to buy a new truck so I bought a 2002 Dodge Ram Cummins Turbo Diesel. The first 50k miles went good and then the dreaded P0216 code popped up. The first thing I did was run to the internet and start reading. Matter of fact my first forum I joined was "Diesel Truck Resource" back on April 01, 2004. I got the needed help to make some good judgment calls and repair my problem. I feel in love with the idea of helping others as well. So shortly thereafter sometime in 2005, I created my first website host from my DSL provider which contained basic repair information. This allowed me to just drop a link to an article instead of typing the article each and every time. Mopar1973Man, When was www.mopar1973man.com born? It was born October 4, 2007, is when I bought the domain name. Mopar1973Man, Why did you start a web forum? This continues the above story. As the articles got more and more popular I seem to get a slap on the hand from Larry Ellis of Diesel Truck Resource in 2006 for using my article links. So I moved over to Cummins Forum on February 11, 2006, and started helping other members with my articles still getting more and more feedback on how to improve articles and write-up my email account was getting hammered and I was editing HTML code pages by hand to keep articles up to date. So the forum gave people of like minds to get together and share information and better the article database. Mopar1973Man, Are you ASE certified? Absolutely not. I'm not ASE certified. I'm actually a certified computer technician. Graduated from ITT Tech College in Van Nuys, California 1989. Bit More History Of Mopar1973Man.Com As for Mopar1973Man.Com is was designed to be my web notebook of answers to common issues and problems with Dodge Ram trucks with Cummins Turbo Diesel engine. It started out as a simple HTML website and my notes published in HTML pages. This worked for quite a while but as time went on and the site got more and more popular adding, editing, and keeping up was getting harder. The biggest problem I ran into is the mass inbound emails of fixes, edits, new articles, etc. So vBulletin 3.8x forum was purchased and installed. This allowed all members to discuss ideas and create articles for common problems. I was still doing HTML pages so the HTML article database was converted to Joomla CMS 2.5.x. This now allows me to just create access for the family member and he/she can maintain their own article page(s) and update it when required. I kept going on the vBulletin line till version 4.20 is when I purchased Invision Power Board 3.4.6 to keep the site modern and up to standards of the smartphones and mobile world. So to this day, the site is powered by the knowledge of the "Family Members" and sharing this knowledge with others. Mopar1973Man.Com to this day pays its bills and debts with donations and advertising dollars. Mopar1973Man, What do you mean "Family Members" ??? This phrase came forward one day because we all act like one huge family. Just like any family, we don't all get along just perfect but still work though differences with each other. We respect each other like fellow family members. Most of us will give our shirts off our backs to help others at times of need. Mopar1973Man, What are your personal goals? My personal goals are to have an efficient diesel truck that will last at least 500k miles. I've been studying 24 valve Cummins diesel engine efficiency for many years and at the current time, my high mark is 27.2 MPG on the ScanGauge II and the uncorrected math with 0.5 MPH speedometer error is 26.12 MPG. So in a nutshell, I'm looking for longevity, reliability, and efficiency. Mopar1973Man, What else do you do? I joined Salmon River Rural Fire Department back in 2004 and served as Station Captain currently. Then, later on, I joined Idaho County Search and Rescue and serve on their ATV search team. As for hobbies, I guess I continue to play with websites, servers, computer hardware, and software for a winter hobby as for summer I tend to enjoy firewood hauling, hiking, biking, ATV riding, etc. As for local jobs, I work on vehicles doing basic repairs. During the summer, I do air conditioning recharging. I manage several different websites at the server level for the site owners. I still do computer repairs as well but tend to lean on the Linux side more so now. As of July 2014, I wad hired by Lindy Wheeler as a second mechanic in his shop in Riggins, Idaho. Lindy Wheeler pasted away from Cancer. (Rest in Peace, my friend) As of 2019, I started my own shop doing Dodge Cummins diesel work. As of 2020 I open a second shop with a 2 post lift and been service all name brands of vehicles.
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Here it is gang the Bosch VP44 Injection Pump fully disassembled. Here is the rotor and injection pump assembly. I stood the rotor assembly up and pull the pistons out of the rotor. Yes, these pins are the 3 pistons pumping together to create the high pressure. This of course, is the main shaft, vane pump and cam ring. Take notice to the 3 rollers and shoes below the main shaft. These 3 roller shoes ride in the slots of the main shaft and roll around inside the cam ring. Here is the timing piston. This is the piston that causes the infamous P0216 code. You can see the piston is galled up and this pump failed with the P0216 code. Now you can see the relationship of the timing piston and cam ring. As the piston moves back and forth it advances or retards timing as commanded by the ECM. Here is the PSG unit on top of the Bosch VP44 Injection pump. The lead on top is the valve for controlling the timing piston by flowing fuel pressure to the piston. The lead on the bottom you notice has been tapped and this lead is the fuel pin solenoid. Also take notice the electronics are heatsinked to the fuel side not the cover side. This just kills off all the people thinking heatsinks or blowers on the cover are do any good... Sorry it don't. Close up of the guts of the PSG. That clear gel is not solid as you see I was attempting to get some plastic debris out of the gel and disturbed it. This gell helps the heat of the electronics to dump the heat into the fuel below the plate. This is the PSG flipped over showing the sensor for the tone wheel and fuel temp. As you can see the electronics sit over the ribbed section. Again this is to promote heat exchange to the fuel for the electronics. This is another good reason why the 14-20 PSI unofficial fuel pressure are suggested. Then the empty VP44 injection pump body. Yes, this VP44 body was damaged beyond what can be used for core. The owner pried the pump out of the gear instead of using a gear puller. That's why the damage to the nose of the VP44 pump body. Looking inside the Bosch VP44 injection Pump body where the guts go. Then the nose of the Bosch VP44 injection Pump where the shaft comes through.
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Here it is gang the Bosch VP44 Injection Pump fully disassembled. Here is the rotor and injection pump assembly. I stood the rotor assembly up and pull the pistons out of the rotor. Yes, these pins are the 3 pistons pumping together to create the high pressure. This of course, is the main shaft, vane pump and cam ring. Take notice to the 3 rollers and shoes below the main shaft. These 3 roller shoes ride in the slots of the main shaft and roll around inside the cam ring. Here is the timing piston. This is the piston that causes the infamous P0216 code. You can see the piston is galled up and this pump failed with the P0216 code. Now you can see the relationship of the timing piston and cam ring. As the piston moves back and forth it advances or retards timing as commanded by the ECM. Here is the PSG unit on top of the Bosch VP44 Injection pump. The lead on top is the valve for controlling the timing piston by flowing fuel pressure to the piston. The lead on the bottom you notice has been tapped and this lead is the fuel pin solenoid. Also take notice the electronics are heatsinked to the fuel side not the cover side. This just kills off all the people thinking heatsinks or blowers on the cover are do any good... Sorry it don't. Close up of the guts of the PSG. That clear gel is not solid as you see I was attempting to get some plastic debris out of the gel and disturbed it. This gell helps the heat of the electronics to dump the heat into the fuel below the plate. This is the PSG flipped over showing the sensor for the tone wheel and fuel temp. As you can see the electronics sit over the ribbed section. Again this is to promote heat exchange to the fuel for the electronics. This is another good reason why the 14-20 PSI unofficial fuel pressure are suggested. Then the empty VP44 injection pump body. Yes, this VP44 body was damaged beyond what can be used for core. The owner pried the pump out of the gear instead of using a gear puller. That's why the damage to the nose of the VP44 pump body. Looking inside the Bosch VP44 injection Pump body where the guts go. Then the nose of the Bosch VP44 injection Pump where the shaft comes through. View full Cummins article
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Date: March 11, 2002 Models: 1998-2002 (BR) Ram Truck NOTE: THIS BULLETIN APPLIES TO 1998 - 2002 (BR) RAM TRUCKS EQUIPPED WITH THE 24-VALVE CUMMINS DIESEL ENGINE BUILT AFTER MARCH 27, 1998 (ESN 56443872). Symptom/Condition: Owners of 1998 - 2002 (BR) Ram Trucks equipped with the 24-valve Cummins diesel engine may experience engine oil overflow from the front crankcase breather when the vehicle is operated off-road on an extreme downhill grade (37.5% or 22° slope/grade). Operation of this type for extended periods of time can cause enough engine oil depletion to damage the engine. A kit containing all components necessary to eliminate the oil overflow has been made available. If the condition exists, perform the repair. Parts Required: Qty. Part No. Description 1 05093017AA Kit, breather Repair Procedure: NOTE: REFER TO THE SERVICE MANUAL THAT 1S SPECIFIC TO THE VEHICLE ON WHICH YOU ARE WORKING. (REFERENCES IN THE PROCEDURE BELOW ARE TO SECTIONS WITHIN THE 2000 (BR) RAM TRUCK SERVICE MANUAL (PUBLICATION # 81-370-0008). 1. Open the hood. NOTE: IN THE INTEREST OF CUSTOMER SATISFACTION, RECORD SET RADIO STATIONS AND REPROGRAM WHEN PROCEDURE IS COMPLETED. 2. Disconnect both negative battery cables. 3. Remove the air intake connector. 4. Remove the charge air cooler duct. 5. Remove the washer bottle. 6. Remove the fan shroud and viscous fan. (Section 7). 7. Remove the crankcase breather assembly and discard. 8. Remove the fuel filter/water separator assembly. (Section 14). 9. Remove the Bosch VP44 fuel injection pump, (Section 14). 10. Remove the CM551 engine control module. 11. Remove the mounting bolt that secures the fuel line to the tappet cover. 12. Disconnect and remove the fuel line "T" fitting and mounting bracket. 13. Remove the tappet cover mounting bolts and side cover. 14. Install new tappet cover with breather tube. Torque bolts to 24 N-m (17 ft. lbs.). NOTE: BREATHER TUBE SHOULD BE ROUTED DOWN, BEHIND THE STARTER AND AWAY FROM THE DIFFERENTIAL. 15. Reconnect and install fuel line "T" fitting and mounting bracket. 16. Install the mounting bell that secures the fuel line to the tappet cover. 17. Install the engine controller. 18. Install the fuel pump. (Section 14). 19. Install the fuel filter/water separator assembly. (Section 14). 20. Install the replacement access plug on the front of the gear cover. 21. Install the fan shroud and viscous fan. (Section 7). 22. Install the washer bottle. 23. Install the charge air cooler duct. 24. Install the air intake connector. 25. Reconnect both negative battery cables. 26. Start the engine and check for leaks. 27. Close the hood and reprogram the radio (if necessary). Policy: Reimbursable within the provisions of the warranty. Time Allowance: Labor Operation No: 09-85-05-91. Install New Breather Kit ....................3.2 Hrs. Failure Code: P8 - New Part
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Date: Feb. 18, 2000 models: 1999 - 2000 (BR/BE) Ram Truck NOTE. THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 5.9L DIESEL ENGINE. Discussion: A customer may complain of a heavy oil or fuel-like odor coming from the engine compartment. This condition may occur after the engine oil has been changed. The odor appears to reduce in intensity as the engine oil ages. This aging usually occurs between the first 300 to 500 miles following the oil change. NOTE: DO NOT CONFUSE THE HEAVY OIL OR FUEL-LIKE ODOR WITH A DIESEL ENGINE EXHAUST ODOR. The odor condition is the result of certain diesel engine oil additives. These oil additives are blended with the base oil during the manufacture of the engine oil. Some diesel engine oils with the American Petroleum Institute quality rating of CH-4 or CH-4+ may be more prone to exhibiting the odor condition. NOTE: THE DAIMLERCHRYSLER RECOMMENDED DIESEL ENGINE OIL, P/N 04798231 (QT.) OR P/N 0479832 (GAL.), IS FORMULATED TO MINIMIZE THE HEAVY OIL ODOR CONDITION. To possibly reduce the further incidence'of the odor condition, the integrity of the cowl seal should be verified. The cowl seal is located between the rear edge of the hood and the cowl panel. Diesel engine oil vapors, which develop during normal engine operation, exit the engine through the engine road draft tube. The heavy oil or fuel-like odor may leak past an opening in the cowl seal and enter the passenger compartment through the HVAC system. This may occur more frequently if the vehicle is at a stop, with the engine running, and the HVAC system is being operated in any mode other than "Re-circulate". NOTE: ANY OPENING OR VOIDS IN THE COWL SEAL SHOULD BE CORRECTED. VERIFY THAT FULL CONTACT BETWEEN THE HOOD AND COWL SEAL IS PRESENT ALONG THE ENTIRE LENGTH OF THE SEALING SURFACES. PAY PARTICULAR ATTENTION TO THE SEALING INTEGRITY AT BOTH ENDS OF THE COWL SEAL. Notes: POLICY. Information Only
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Date: September 3, 2001 Models: 1998 1/2-2002 BR/BE Ram Trucks NOTE: THIS BULLETIN APPLIES TO ALL RAM TRUCKS BUILT AFTER DECEMBER 17,1997 AND EQUIPPED WITH THE 24-VALVE 5.9L CUMMINS DIESEL ENGINE. Discussion: This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software (Cal 55Tl8, 57Tl1, 56Tl3, 59T7b, and 59T8b.) Symptom/Condition: Extended idle operation, especially in cold weather, can lead to stuck valves and bent push-tubes due to insufficient cylinder heat. This allows varnishes/oils to condense on the exhaust valve stems, leading to stuck valves, and damaged valve train components. A new software feature, enabled or disabled through the DRB III (See instructions under Repair Procedure), reduces the chance of valve sticking and improves cab heat warm-up time. Once enabled, idle speed will slowly ramp up from 800 rpm to 1200 rpm when all of the following conditions are met: 1. Intake Manifold Temperature less than 0°C (32°F) and, 2. Coolant Temp is less than 60°C (140°F) and, 3. The Transmission is in Neutral or Park and, 4. The Service Brake pedal is not depressed and, 5. Throttle = 0% and, 6. Vehicle Speed = 0 mph Additionally, if Intake Manifold Temperature (IMT) is less than -9°C (15°F), and all of the parameters above are met, three of the cylinders will be shut off upon reaching 1200 rpm, creating a slight change in engine sound which is normal. This allows the engine to create increased heat in the cooling system, allowing more rapid engine warm up and cab heating. Both features will automatically disable when one of the following occurs: 1. The Automatic Transmission is placed in gear (forward or reverse) or, 2. The Service Brake pedal is depressed or, 3. Throttle position is greater than 0% or, 4. Vehicle Speed is greater than 0 mph or, 5. Coolant Temperature is greater than 79°C (175°F). Engine speed will return to normal operation at 800 rpm. If the engine continues to idle and coolant temperature is at or below 60°C (140°'F), the feature will re enable. In order to operate properly, the Accelerator Pedal Position Sensor (APPS) must stay at idle. NOTE: ANY TYPE OF AFTERMARKET IDLE SPEED KICKER THAT ACTIVATES THE APPS WILL DISABLE THIS FEATURE. Use of the 110V block heater will not allow the feature to function after an overnight soak. If the vehicle is left idling, without use of the block heater, 1200 rpm operation will begin when the intake temperature drops below O°C (32°F) and coolant is less than 60°C (140°F). Diagnosis: 1. Using the Diagnostic Scan Tool (DRBIII) with the appropriate Diagnostic Procedures, verify all engine/transmission systems are functioning as designed. If other Diagnostic Trouble Codes (DTC) are present, record them on the repair order and repair as necessary before proceeding further with this bulletin. Parts Required: Qty. Part No. Description 1 04669020 Label, Authorized Software Update 1 04275086 Label, Authorized Modification Equipment Required: CH6000A Scan Tool (DRB III) CH7035 General Purpose Interface Bus Cable (GPIB) CH7000/7001 J1962 Cable MDS2 (Mopar Diagnostic System) NOTE: THE MDS2 AND DRB III ARE REQUIRED TO PERFORM PART OF THIS REPAIR. WHEN USING THE MDS2 AND THE DRB III, THE SYSTEM MUST BE OPERATING AT CIS CD 2090 OR HIGHER (2090 ARRIVES IN DEALERSHIPS ON SEPTEMBER 3, 2001). Repair Procedure: 1. Log onto the MDS2 (Mopar Diagnostic System). 2. Connect the MDS2 and DRBIII to the vehicle and switch the ignition key to"ON". NOTE: AUTO CONNECTION WILL OCCUR ONCE THE DRB III, MDS2, AND VEHICLE ESTABLISH COMMUNICATION. THE "CANNOT READ VIN FROM DRB III" MESSAGE (ON THE MDS2) WILL BE REPLACED BY THE VEHICLE VIN. PRESS THE "OK" BUTTON ON THE MDS2 TO REQUEST A L4DS2 SESSION FOR THE VEHICLE VIN INDICATED. PRESS THE "OK"BUTTON WHEN ASKED TO BEGIN SESSION. 3. Push the FLASH tab on the MDS2. 4. Select READ PART NUMBERS FROM VEHICLE and click SHOW UPDATES on the MDS2. NOTE: A MESSAGE MAY APPEAR (AFTER STEP 3 OR 4) THAT INDICATES NO UPDATES ARE AVAILABLE. IF THIS OCCURS, MAKE SURE YOUR DIAGNOSTIC EQUIPMENT IS OPERATING AT THE LATEST SOFTWARE LEVEL AS LISTED EARLIER IN THIS BULLETIN. IF THE LATEST SOFTWARE IS INSTALLED, AND NO UPDATES ARE AVAILABLE ANOTHER VEHICLE CONDITION EXISTS THAT WILL REQUIRE FURTHER INVESTIGATION. 5. Select the new software part number with the light pen and click UPDATE CONTROLLER SOFTWARE. 6. The MDS2 and DRB III will prompt for any operator action needed during the remainder of the reprogramming process. NOTE: DUE TO THE PCM REPROGRAMMING PROCEDURE, A DTC MAY BE SET IN OTHER MODULES (EATX, BCM, MIC, SKIM, ETC.) WITHIN THE VEHICLE, IF SO EQUIPPED. SOME DTC'S MAY CAUSE THE MIL TO ILLUMINATE. ALL DTC'S RELATE TO A LOSS OF COMMUNICATIONS WITH THE MODULE THAT IS BEING REPROGRAMMED. CHECK ALL MODULES, RECORD THE FAULTS, AND ERASE THESE FAULTS PRIOR TO RETURNING THE VEHICLE TO THE CUSTOMER. ERASE ANY FAULTS IN THE PCM ONLY AFTER ALL OTHER MODULES HAVE HAD THEIR FAULTS ERASED. NOTE: ONCE THE VEHICLE HAS BEEN REPROGRAMMED TO THE PROPER SOFTWARE LEVEL, YOU MUST USE THE DRB III TO ENABLE THE 3 CYLINDER IDLE FEATURE. TO DO SO FOLLOW THE INSTRUCTIONS BELOW. 7. Connect the DRB III to the vehicle without connecting to MDS2 and follow the menu structures it appears below. 8. MAIN MENU - 1998 - 2002 DIAGNOSTICS 9. 1998 - 2002 DIAGNOSTICS - ALL (EXCEPT BELOW) 10. SELECT SYSTEM - 1 ENGINE 11. CONTROLLER TYPE - 1 CUMMINS (ECM/ENGINE) 12. SELECT FUNCTION - 1 MISCELLANEOUS (Misc. is on second page) 13. 3.3 CYLINDER IDLE - Follow the instructions The DRB III will indicate whether the feature is enabled or disabled. 14. Push 1 to Enable, 2 to Disable. 15. You are instructed to cycle the ignition to complete the repair. 16. Press Page Back to Exit. NOTE: THE FOLLOWING STEPS ARE REQUIRED BY LAW. 17. Type the necessary information on the "Authorized Software Update Label" p/n 04669020 (Fig. 1). Attach the label to the PCM and cover the label with the clear plastic overlay.
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Lift Pump Diagnostics TSB 14-002-03 Diesel Transfer Pump Diagnosis Overview: Improved diagnostic procedures are available which will greatly improve identifying a faulty fuel transfer pump. The improved procedures test the 'flow" capability of the transfer pump. It sufficient fuel reaches the injection pump from the low-pressure system, then the cause of engine performance problem(s) lies elsewhere. Equipment Required: 6977 Kit, Diesel Fuel Pressure (Includes 06628 Gauge and #8976 Fitting) 6631 Adapter, Fuel Pressure Diagnostic Procedure: The following procedure is to aid in evaluating the low-pressure fuel system performance in the absence of fault codes. 1. Inspect all fuel lines (including chassis) for kinks and leaks. Repair prior to proceeding. 2. Battery voltage must be greater than 11.5 volts. If not, charge batteries as required. 3. Remove the rubber fuel hose from the outlet side of the fuel filter (Fig, 1). 4. Attach a 915 mm (36 in.) clear hose to the fuel filter outlet line (Fig. 1). Do not use the pressure test fitting. 5. Route the hose to a clean, empty 3.8 liter (1 gallon) approved diesel fuel container. 6. Purge all air from the lines by bumping the starter to activate the transfer pump (transfer pump should run for 26 seconds). WARNING! THE TRANSFER PUMP WILL RUN LESS THAN 2 SECONDS (VARIES WITH ECU CALIBRATION) WHEN THE IGNITION KEY IS FIRST TURNED TO ON. WHEN THE STARTER IS BUMPED (DO NOT ALLOW THE ENGINE TO START), THE TRANSFER PUMP WILL RUN 25 SECONDS. IF THE ENGINE HAS BEEN RUNNING, THE IGNITION KEY MUST BE CYCLED TO ALLOW THE TRANSFER PUMP TO RUN. 7. If the transfer pump runs, proceed to step 8. If the transfer pump does not run, check electrical circuits as follows: 8. Empty the container of fuel. 9. Bump the starter to activate the transfer pump. Look for air bubbles. If no air bubbles are present, proceed to step 10. If bubbles are present, check the lines/connectors between the fuel tank and the transfer pump for conditions allowing air to be drawn into the fuel system. Correct the condition and repeat steps 6, 8, and 9. 10. Measure the amount of fuel in the container after the pump shuts off. If the amount of fuel in the container is GREATER than 1.33 liters (45 fluid ounces) and the fuel is bubble free, then the low-pressure fuel system is OK, the cause of engine performance problem lies elsewhere. No further testing of the low pressure fuel system Is required. If the amount of fuel in the container is LESS than 1.33 liters (45 fluid ounces), proceed to step 11. 11. Connect fuel pressure test gauge #6828, included In the #6i977 Diesel Fuel Pressure kit, to the pressure fitting located on the fuel filter inlet. If the vehicle is a 2002 model, install test fitting #6976, included In the #6977 Diesel Fuel Pressure kit. 12. Purge all air from the lines by bumping the starter to activate the transfer pump. Empty the container of fuel. 13. Bump the starter to activate the transfer pump for 25 seconds. Observe the hose for air bubbles. Record filter inlet pressure. 14. If the fuel quantity continues to be LESS than 1.33 liters (45 fluid ounces), connect a fuel vacuum test gauge #6828 using the fuel pressure test adapter #6631 between the transfer pump and the chassis mounted fuel lines. 15. Purge all air from the lines by bumping the starter to activate the transfer pump. 16. Empty the container of fuel. 17. Bump the starter to activate the transfer pump for 25 seconds. Observe the hose for air bubbles. Record transfer pump inlet vacuum.
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Date: September 3, 2001 Models: 1998 1/2-2002 BR/BE Ram Trucks (2nd Gen Cummins, 1998 .5, 1999, 2000, 2001, 2002) NOTE: THIS BULLETIN APPLIES TO ALL RAM TRUCKS BUILT AFTER DECEMBER 17,1997 AND EQUIPPED WITH THE 24-VALVE 5.9L CUMMINS DIESEL ENGINE. Discussion: This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software (Cal 55Tl8, 57Tl1, 56Tl3, 59T7b, and 59T8b.) Symptom/Condition: Extended idle operation, especially in cold weather, can lead to stuck valves and bent push-tubes due to insufficient cylinder heat. This allows varnishes/oils to condense on the exhaust valve stems, leading to stuck valves, and damaged valve train components. A new software feature, enabled or disabled through the DRB III (See instructions under Repair Procedure), reduces the chance of valve sticking and improves cab heat warm-up time. Once enabled, idle speed will slowly ramp up from 800 rpm to 1200 rpm when all of the following conditions are met: 1. Intake Manifold Temperature less than 0°C (32°F) and, 2. Coolant Temp is less than 60°C (140°F) and, 3. The Transmission is in Neutral or Park and, 4. The Service Brake pedal is not depressed and, 5. Throttle = 0% and, 6. Vehicle Speed = 0 mph Additionally, if Intake Manifold Temperature (IMT) is less than -9°C (15°F), and all of the parameters above are met, three of the cylinders will be shut off upon reaching 1200 rpm, creating a slight change in engine sound which is normal. This allows the engine to create increased heat in the cooling system, allowing more rapid engine warm up and cab heating. Both features will automatically disable when one of the following occurs: 1. The Automatic Transmission is placed in gear (forward or reverse) or, 2. The Service Brake pedal is depressed or, 3. Throttle position is greater than 0% or, 4. Vehicle Speed is greater than 0 mph or, 5. Coolant Temperature is greater than 79°C (175°F). Engine speed will return to normal operation at 800 rpm. If the engine continues to idle and coolant temperature is at or below 60°C (140°'F), the feature will re enable. In order to operate properly, the Accelerator Pedal Position Sensor (APPS) must stay at idle. NOTE: ANY TYPE OF AFTERMARKET IDLE SPEED KICKER THAT ACTIVATES THE APPS WILL DISABLE THIS FEATURE. Use of the 110V block heater will not allow the feature to function after an overnight soak. If the vehicle is left idling, without use of the block heater, 1200 rpm operation will begin when the intake temperature drops below O°C (32°F) and coolant is less than 60°C (140°F). Diagnosis: 1. Using the Diagnostic Scan Tool (DRBIII) with the appropriate Diagnostic Procedures, verify all engine/transmission systems are functioning as designed. If other Diagnostic Trouble Codes (DTC) are present, record them on the repair order and repair as necessary before proceeding further with this bulletin. Parts Required: Qty. Part No. Description 1 04669020 Label, Authorized Software Update 1 04275086 Label, Authorized Modification Equipment Required: CH6000A Scan Tool (DRB III) CH7035 General Purpose Interface Bus Cable (GPIB) CH7000/7001 J1962 Cable MDS2 (Mopar Diagnostic System) NOTE: THE MDS2 AND DRB III ARE REQUIRED TO PERFORM PART OF THIS REPAIR. WHEN USING THE MDS2 AND THE DRB III, THE SYSTEM MUST BE OPERATING AT CIS CD 2090 OR HIGHER (2090 ARRIVES IN DEALERSHIPS ON SEPTEMBER 3, 2001). Repair Procedure: 1. Log onto the MDS2 (Mopar Diagnostic System). 2. Connect the MDS2 and DRBIII to the vehicle and switch the ignition key to"ON". NOTE: AUTO CONNECTION WILL OCCUR ONCE THE DRB III, MDS2, AND VEHICLE ESTABLISH COMMUNICATION. THE "CANNOT READ VIN FROM DRB III" MESSAGE (ON THE MDS2) WILL BE REPLACED BY THE VEHICLE VIN. PRESS THE "OK" BUTTON ON THE MDS2 TO REQUEST A L4DS2 SESSION FOR THE VEHICLE VIN INDICATED. PRESS THE "OK"BUTTON WHEN ASKED TO BEGIN SESSION. 3. Push the FLASH tab on the MDS2. 4. Select READ PART NUMBERS FROM VEHICLE and click SHOW UPDATES on the MDS2. NOTE: A MESSAGE MAY APPEAR (AFTER STEP 3 OR 4) THAT INDICATES NO UPDATES ARE AVAILABLE. IF THIS OCCURS, MAKE SURE YOUR DIAGNOSTIC EQUIPMENT IS OPERATING AT THE LATEST SOFTWARE LEVEL AS LISTED EARLIER IN THIS BULLETIN. IF THE LATEST SOFTWARE IS INSTALLED, AND NO UPDATES ARE AVAILABLE ANOTHER VEHICLE CONDITION EXISTS THAT WILL REQUIRE FURTHER INVESTIGATION. 5. Select the new software part number with the light pen and click UPDATE CONTROLLER SOFTWARE. 6. The MDS2 and DRB III will prompt for any operator action needed during the remainder of the reprogramming process. NOTE: DUE TO THE PCM REPROGRAMMING PROCEDURE, A DTC MAY BE SET IN OTHER MODULES (EATX, BCM, MIC, SKIM, ETC.) WITHIN THE VEHICLE, IF SO EQUIPPED. SOME DTC'S MAY CAUSE THE MIL TO ILLUMINATE. ALL DTC'S RELATE TO A LOSS OF COMMUNICATIONS WITH THE MODULE THAT IS BEING REPROGRAMMED. CHECK ALL MODULES, RECORD THE FAULTS, AND ERASE THESE FAULTS PRIOR TO RETURNING THE VEHICLE TO THE CUSTOMER. ERASE ANY FAULTS IN THE PCM ONLY AFTER ALL OTHER MODULES HAVE HAD THEIR FAULTS ERASED. NOTE: ONCE THE VEHICLE HAS BEEN REPROGRAMMED TO THE PROPER SOFTWARE LEVEL, YOU MUST USE THE DRB III TO ENABLE THE 3 CYLINDER IDLE FEATURE. TO DO SO FOLLOW THE INSTRUCTIONS BELOW. 7. Connect the DRB III to the vehicle without connecting to MDS2 and follow the menu structures it appears below. 8. MAIN MENU - 1998 - 2002 DIAGNOSTICS 9. 1998 - 2002 DIAGNOSTICS - ALL (EXCEPT BELOW) 10. SELECT SYSTEM - 1 ENGINE 11. CONTROLLER TYPE - 1 CUMMINS (ECM/ENGINE) 12. SELECT FUNCTION - 1 MISCELLANEOUS (Misc. is on second page) 13. 3.3 CYLINDER IDLE - Follow the instructions The DRB III will indicate whether the feature is enabled or disabled. 14. Push 1 to Enable, 2 to Disable. 15. You are instructed to cycle the ignition to complete the repair. 16. Press Page Back to Exit. NOTE: THE FOLLOWING STEPS ARE REQUIRED BY LAW. 17. Type the necessary information on the "Authorized Software Update Label" p/n 04669020 (Fig. 1). Attach the label to the PCM and cover the label with the clear plastic overlay. If you want to manually control The ECM high idle you can use the Mopar1973man.com High Idle Switch
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Date: September 3, 2001 Models: 1998 1/2-2002 BR/BE Ram Trucks (2nd Gen Cummins, 1998 .5, 1999, 2000, 2001, 2002) NOTE: THIS BULLETIN APPLIES TO ALL RAM TRUCKS BUILT AFTER DECEMBER 17,1997 AND EQUIPPED WITH THE 24-VALVE 5.9L CUMMINS DIESEL ENGINE. Discussion: This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software (Cal 55Tl8, 57Tl1, 56Tl3, 59T7b, and 59T8b.) Symptom/Condition: Extended idle operation, especially in cold weather, can lead to stuck valves and bent push-tubes due to insufficient cylinder heat. This allows varnishes/oils to condense on the exhaust valve stems, leading to stuck valves, and damaged valve train components. A new software feature, enabled or disabled through the DRB III (See instructions under Repair Procedure), reduces the chance of valve sticking and improves cab heat warm-up time. Once enabled, idle speed will slowly ramp up from 800 rpm to 1200 rpm when all of the following conditions are met: 1. Intake Manifold Temperature less than 0°C (32°F) and, 2. Coolant Temp is less than 60°C (140°F) and, 3. The Transmission is in Neutral or Park and, 4. The Service Brake pedal is not depressed and, 5. Throttle = 0% and, 6. Vehicle Speed = 0 mph Additionally, if Intake Manifold Temperature (IMT) is less than -9°C (15°F), and all of the parameters above are met, three of the cylinders will be shut off upon reaching 1200 rpm, creating a slight change in engine sound which is normal. This allows the engine to create increased heat in the cooling system, allowing more rapid engine warm up and cab heating. Both features will automatically disable when one of the following occurs: 1. The Automatic Transmission is placed in gear (forward or reverse) or, 2. The Service Brake pedal is depressed or, 3. Throttle position is greater than 0% or, 4. Vehicle Speed is greater than 0 mph or, 5. Coolant Temperature is greater than 79°C (175°F). Engine speed will return to normal operation at 800 rpm. If the engine continues to idle and coolant temperature is at or below 60°C (140°'F), the feature will re enable. In order to operate properly, the Accelerator Pedal Position Sensor (APPS) must stay at idle. NOTE: ANY TYPE OF AFTERMARKET IDLE SPEED KICKER THAT ACTIVATES THE APPS WILL DISABLE THIS FEATURE. Use of the 110V block heater will not allow the feature to function after an overnight soak. If the vehicle is left idling, without use of the block heater, 1200 rpm operation will begin when the intake temperature drops below O°C (32°F) and coolant is less than 60°C (140°F). Diagnosis: 1. Using the Diagnostic Scan Tool (DRBIII) with the appropriate Diagnostic Procedures, verify all engine/transmission systems are functioning as designed. If other Diagnostic Trouble Codes (DTC) are present, record them on the repair order and repair as necessary before proceeding further with this bulletin. Parts Required: Qty. Part No. Description 1 04669020 Label, Authorized Software Update 1 04275086 Label, Authorized Modification Equipment Required: CH6000A Scan Tool (DRB III) CH7035 General Purpose Interface Bus Cable (GPIB) CH7000/7001 J1962 Cable MDS2 (Mopar Diagnostic System) NOTE: THE MDS2 AND DRB III ARE REQUIRED TO PERFORM PART OF THIS REPAIR. WHEN USING THE MDS2 AND THE DRB III, THE SYSTEM MUST BE OPERATING AT CIS CD 2090 OR HIGHER (2090 ARRIVES IN DEALERSHIPS ON SEPTEMBER 3, 2001). Repair Procedure: 1. Log onto the MDS2 (Mopar Diagnostic System). 2. Connect the MDS2 and DRBIII to the vehicle and switch the ignition key to"ON". NOTE: AUTO CONNECTION WILL OCCUR ONCE THE DRB III, MDS2, AND VEHICLE ESTABLISH COMMUNICATION. THE "CANNOT READ VIN FROM DRB III" MESSAGE (ON THE MDS2) WILL BE REPLACED BY THE VEHICLE VIN. PRESS THE "OK" BUTTON ON THE MDS2 TO REQUEST A L4DS2 SESSION FOR THE VEHICLE VIN INDICATED. PRESS THE "OK"BUTTON WHEN ASKED TO BEGIN SESSION. 3. Push the FLASH tab on the MDS2. 4. Select READ PART NUMBERS FROM VEHICLE and click SHOW UPDATES on the MDS2. NOTE: A MESSAGE MAY APPEAR (AFTER STEP 3 OR 4) THAT INDICATES NO UPDATES ARE AVAILABLE. IF THIS OCCURS, MAKE SURE YOUR DIAGNOSTIC EQUIPMENT IS OPERATING AT THE LATEST SOFTWARE LEVEL AS LISTED EARLIER IN THIS BULLETIN. IF THE LATEST SOFTWARE IS INSTALLED, AND NO UPDATES ARE AVAILABLE ANOTHER VEHICLE CONDITION EXISTS THAT WILL REQUIRE FURTHER INVESTIGATION. 5. Select the new software part number with the light pen and click UPDATE CONTROLLER SOFTWARE. 6. The MDS2 and DRB III will prompt for any operator action needed during the remainder of the reprogramming process. NOTE: DUE TO THE PCM REPROGRAMMING PROCEDURE, A DTC MAY BE SET IN OTHER MODULES (EATX, BCM, MIC, SKIM, ETC.) WITHIN THE VEHICLE, IF SO EQUIPPED. SOME DTC'S MAY CAUSE THE MIL TO ILLUMINATE. ALL DTC'S RELATE TO A LOSS OF COMMUNICATIONS WITH THE MODULE THAT IS BEING REPROGRAMMED. CHECK ALL MODULES, RECORD THE FAULTS, AND ERASE THESE FAULTS PRIOR TO RETURNING THE VEHICLE TO THE CUSTOMER. ERASE ANY FAULTS IN THE PCM ONLY AFTER ALL OTHER MODULES HAVE HAD THEIR FAULTS ERASED. NOTE: ONCE THE VEHICLE HAS BEEN REPROGRAMMED TO THE PROPER SOFTWARE LEVEL, YOU MUST USE THE DRB III TO ENABLE THE 3 CYLINDER IDLE FEATURE. TO DO SO FOLLOW THE INSTRUCTIONS BELOW. 7. Connect the DRB III to the vehicle without connecting to MDS2 and follow the menu structures it appears below. 8. MAIN MENU - 1998 - 2002 DIAGNOSTICS 9. 1998 - 2002 DIAGNOSTICS - ALL (EXCEPT BELOW) 10. SELECT SYSTEM - 1 ENGINE 11. CONTROLLER TYPE - 1 CUMMINS (ECM/ENGINE) 12. SELECT FUNCTION - 1 MISCELLANEOUS (Misc. is on second page) 13. 3.3 CYLINDER IDLE - Follow the instructions The DRB III will indicate whether the feature is enabled or disabled. 14. Push 1 to Enable, 2 to Disable. 15. You are instructed to cycle the ignition to complete the repair. 16. Press Page Back to Exit. NOTE: THE FOLLOWING STEPS ARE REQUIRED BY LAW. 17. Type the necessary information on the "Authorized Software Update Label" p/n 04669020 (Fig. 1). Attach the label to the PCM and cover the label with the clear plastic overlay. If you want to manually control The ECM high idle you can use the Mopar1973man.com High Idle Switch View full Cummins article
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Cubby Hole High Idle / MPG Fooler Mopar1973man.com no longer sells a specific Cubby hole mount, but we do provide the below template if you wish to make one yourself. You can use the current PCB mounted switch with this faceplate. As for installing you need to carefully pull your dash bezel from the dash and remove it. Then taking 3 screws out holding the cubby pocket in place and remove. Also remove the 4 screws holding the HVAC controls. This will give you room to routing the wires across the dash. Now mount the face to the cubby and using the supplied screws and nylon spacers. Continue to route the wires over to the bulk head. Then this part is bit tricky and requires patience carefully route the plug through the rubber boot of the bulkhead connector. The bulkhead connector inside can be released from it mount and might give you a few more inches of work room for a single hand. Now route the connector to the proper placements. Black ECT to the front of the engine and the Grey IAT connectors to the rear of the engine. Now unplug both ECT and IAT and plug in the fooler cables. ECT IAT Then reassemble your Dash. The only thing I didn't hook up yet was the LED power.
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Mopar1973Man.Com the Mopar1973man.com High idle switch is sold through the Forum Store. you can get to that product and others through this link If you are having problems getting the High Idle enabled on your truck you may rent a Smarty from Diesel Auto Power. Smarty Rental For High Idle Enabling
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Mopar1973Man.Com the Mopar1973man.com High idle switch is sold through the Forum Store. you can get to that product and others through this link If you are having problems getting the High Idle enabled on your truck you may rent a Smarty from Diesel Auto Power. Smarty Rental For High Idle Enabling View full Cummins article
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Operating Instructions Once the high idle kit is installed its ready for use if the ECM has had the High Idle Feature Enabled, the Dealer can enable this feature, or a Smarty can flash the High Idle into the ECM. There is a Dodge TSB Covering what needs to be done, Dodge High Idle TSB You can view the Install Article Here, mopar1973man.com High Idle Switch Install you can buy a High Idle Switch in our Store - General Operation It's always suggested you set you high idle mode before starting the vehicle. This will insure you going to get the selected mode of operation. If you want to leave it totally automatic high idle then select OFF as it will follow the ECM software for selection. So you should select either 3 CYL or 6 CYL mode before starting. NOTE: Selecting a high idle mode will enable this mode and remain the set high idle mode for the rest of the key cycle. Off OFF is completely stock ECM sees engine coolant temperature and intake manifold temperatures normally. MPG Mode MPG mode is a special mode design around extreme cold operation. During winter time the IAT temps will fall to very low temperature. This typically advances timing quite heavily and create quite a bit of engine rattle at cold engine temperature. MPG mode tricks the ECM into believing it's summer time and retards the timing down to a usable level. Most people report at least 1-3 MPG gain from using this mode. NOTE: Pre-heat grid heater function is disable in this mode. IAT is 143*f ECT is a pass through 6 Cylinder Mode 6 CYL high idle is a special mode in which it was fixed to remain in high idle mode as long as the switch is left in 6 cylinder mode. So this makes it an excellent function for like jump starting other vehicles or keeping vehicle warm in sub-zero temperature. As long as the switch is on 6 Cylinder mode it will not cancel. NOTE: Engine temperature gauge is disabled during the use of this mode. IAT is 23*f ECT is 140*f 3 Cylinder Mode 3 CYL mode is automatic mode. It will enable the 3 cylinder high idle but will cancel the high idle mode once 170°F of coolant temperature is reached. IAT is 14*f ECT is a pass through Selecting High Idle Mode While Running This is possible but not suggested. If you do opt for this make sure to rotate the knob fast. If you turn the knob too slowly the switch will break the circuit on the IAT sensor for too long and might trip the P0113 code which is IAT voltage too high. It also possible to get the wrong mode of high idle from this issue. So you may select 6 cylinder but end up with 3 cylinder. It is not recommended or supported to use high idle positions other than Off or MPG when the vehicle is in motion. Canceling Selected High Idle Mode The only way to cancel a selected high idle mode is to turn off the engine and wait 10 seconds and start again. This will reset the high idle mode. Be sure to set the proper mode you wish to start with either OFF, 6 CYL or 3CYL before starting. Please note that once ECT temps reach full operating temp the switch can be turned to off and the ecm will not longer high idle. Safety Systems All safety system are still in effect for canceling. Speed greater than 0 MPH Automatic transmission place into gear Service brake pedal pressed 170°F coolant reached (unless 6 CYL mode is used) Enhanced Warm Up For owners with exhaust brake you can enhance your warm up time to under 10 minutes. Select either 3 CYL or 6 CYL modes and set your exhaust brake on. The exhaust brake combined with the high idle will produce higher EGT's which in turn warm the engine faster. WARNING: Owners with larger than stock injectors be aware EGT's can climb rather high in 3 cylinder mode and can be as high as 1,000 to 1,100°F with a mere +50 HP injectors. You can see the switch in action, notice the ECT and IAT sensors changing values.
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Operating Instructions Once the high idle kit is installed its ready for use if the ECM has had the High Idle Feature Enabled, the Dealer can enable this feature, or a Smarty can flash the High Idle into the ECM. There is a Dodge TSB Covering what needs to be done, Dodge High Idle TSB You can view the Install Article Here, mopar1973man.com High Idle Switch Install you can buy a High Idle Switch in our Store - General Operation It's always suggested you set you high idle mode before starting the vehicle. This will insure you going to get the selected mode of operation. If you want to leave it totally automatic high idle then select OFF as it will follow the ECM software for selection. So you should select either 3 CYL or 6 CYL mode before starting. NOTE: Selecting a high idle mode will enable this mode and remain the set high idle mode for the rest of the key cycle. Off OFF is completely stock ECM sees engine coolant temperature and intake manifold temperatures normally. MPG Mode MPG mode is a special mode design around extreme cold operation. During winter time the IAT temps will fall to very low temperature. This typically advances timing quite heavily and create quite a bit of engine rattle at cold engine temperature. MPG mode tricks the ECM into believing it's summer time and retards the timing down to a usable level. Most people report at least 1-3 MPG gain from using this mode. NOTE: Pre-heat grid heater function is disable in this mode. IAT is 143*f ECT is a pass through 6 Cylinder Mode 6 CYL high idle is a special mode in which it was fixed to remain in high idle mode as long as the switch is left in 6 cylinder mode. So this makes it an excellent function for like jump starting other vehicles or keeping vehicle warm in sub-zero temperature. As long as the switch is on 6 Cylinder mode it will not cancel. NOTE: Engine temperature gauge is disabled during the use of this mode. IAT is 23*f ECT is 140*f 3 Cylinder Mode 3 CYL mode is automatic mode. It will enable the 3 cylinder high idle but will cancel the high idle mode once 170°F of coolant temperature is reached. IAT is 14*f ECT is a pass through Selecting High Idle Mode While Running This is possible but not suggested. If you do opt for this make sure to rotate the knob fast. If you turn the knob too slowly the switch will break the circuit on the IAT sensor for too long and might trip the P0113 code which is IAT voltage too high. It also possible to get the wrong mode of high idle from this issue. So you may select 6 cylinder but end up with 3 cylinder. It is not recommended or supported to use high idle positions other than Off or MPG when the vehicle is in motion. Canceling Selected High Idle Mode The only way to cancel a selected high idle mode is to turn off the engine and wait 10 seconds and start again. This will reset the high idle mode. Be sure to set the proper mode you wish to start with either OFF, 6 CYL or 3CYL before starting. Please note that once ECT temps reach full operating temp the switch can be turned to off and the ecm will not longer high idle. Safety Systems All safety system are still in effect for canceling. Speed greater than 0 MPH Automatic transmission place into gear Service brake pedal pressed 170°F coolant reached (unless 6 CYL mode is used) Enhanced Warm Up For owners with exhaust brake you can enhance your warm up time to under 10 minutes. Select either 3 CYL or 6 CYL modes and set your exhaust brake on. The exhaust brake combined with the high idle will produce higher EGT's which in turn warm the engine faster. WARNING: Owners with larger than stock injectors be aware EGT's can climb rather high in 3 cylinder mode and can be as high as 1,000 to 1,100°F with a mere +50 HP injectors. You can see the switch in action, notice the ECT and IAT sensors changing values. View full Cummins article
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How to detect if the Cummins 24v VP44 ECM has been enabled for high idle? It not to hard to check to see if you have high idle software present. The only thing you need is a resistor that is a 39k ohm or greater up to no more than 100k ohm resistor. The other requirement is to have a cold engine. Engine coolant temperature must be below 140*F for this test to work properly. Just unplug the IAT sensor and take your resistor and fold the legs over and insert into the plug. Make sure to the IAT and the resistor are not touch metal or ground. You could put a fold of tape over the plug and resistor for temporary cover. Now just start your truck and leave it idle don't touch the throttle, brakes, trans (auto), etc. Leave it alone for up to 5 minutes. Typically 2-3 minutes you should hear the idle ramping up to 1,200 RPM's. If the resistor is greater than 56K ohms then the 3 cylinder high idle will pop up next after reaching 1,200 RPM's. Here is the IAT plug removed from the IAT sensor. Here is with a resistor inserted into the two sockets of the IAT plug.
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Check this out. It makes "Obama Care" a joke. http://www.angelusnews.com/news/national/cost-and-conscience-why-more-christians-are-ditching-health-insurance-for-this-a-9920/#.VqbDd15VKlN
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Yeah but, that river flows from somewhere inland...
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Yuck... Damn Midwest silt.
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Now you know you need to go to your friend house and steal his off his truck. Tell him he don't need it.
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If the truck is parked you can use 3 CYL or 6 CYL mode only. If the truck is moving or being driven then you can use OFF or MPG mode only. You cannot use 6 CYL or 3 CYL modes while the truck is moving. 6 CYL mode fools the coolant temp really low so the high idle can start. Which it cannot start because the speed is above 0 MPH and TPS is above an idle. Using either one of these modes will degrade MPG numbers.
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That right there keeps the rain from pouring into the engine area.