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Found 1 result

  1. Hello, I am hoping someone here can brainstorm with me to get me over this hump I've been dealing with a long time now. Quick background: truck is a 2005 dodge ram 3500 VIN but has 2004 motor, trans, and ECM. I unknowingly purchased it like this. The truck was cheap I knowingly bought it hoping for just mechanical problems. I overhauled the motor it had 3 broken rings, replaced all injectors, etc. etc. Unfortunately over the last 2 years I have only had intermittent time to work on the truck roughly 2 weeks every 6 months. The truck now cranks and fires great every time and idles well except for a little bit of white smoke which is expected as the truck has less than intermittent miles since overhaul and has BBI stage 0.5 injectors and no Cat. None of that is important. Now, I have been dealing with a dead pedal problem. The truck has literally 0 throttle response at the moment. I have tried resetting 2 APPS that I have 2-3 times each today, for whatever reason the computer does not like the reset and the throttle stays dead. Yesterday I had 5 codes: P2509 P2121 P2122 P2123 P2127 I know this P2509 is a code that will trigger other codes so I checked grounds and charged batteries which were at 12.3 and 12.4 volts before charging. At this low voltage none of the codes would clear with my scanner. I tried 3-4 times and they al instantly came back. They are now at 12.7v each and this P2509 code is now gone along with P2122 P2123 and P2127 all cleaned with code reader. I also suspected the alternator causing these low and high voltage codes so I had it benched tested 3 times which it passed 3 times. I also am not getting these codes to return even with the alternator attached. As long as the batteries have the voltage they should it seems those codes have not returned. This leaves P2121 which I cannot clear with the code reader and cannot get to go away for the life of me. There is no throttle response. It is also worth noting that I have replaced the wiring harness as it was broken in a different spot I thought it was causing these issues as well. I ohm checked the new one and it seems all wires are intact as they should be. Any ideas? I was thinking of having the truck towed and ECM flashed just in case its something to do with a previous tuner but I doubt that. Anyone have any ideas or things I can try? I have today off work so I will be trying to figure this out all day today. Thanks
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