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Jared Riley

High idle problem

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I purchased the high idle kit from this website, i installed it and it idled up to 1200 for about a minute then went back to normal operating idle, i tried turning truck off an reatarting it and it wont high idle, on my edge jwa monitor it shows the correct intake temp, only thing i noticed is the throttle position flashes 1% then back to 0%, could this be affecting it?

i activated the settings in the computer by using a smarty touch

 

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Please review the TSB that covers OEM high idle functions

 

 

Triggers for disabling high idle are

Quote

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).

 

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2 hours ago, Jared Riley said:

I purchased the high idle kit from this website, i installed it and it idled up to 1200 for about a minute then went back to normal operating idle, i tried turning truck off an reatarting it and it wont high idle, on my edge jwa monitor it shows the correct intake temp, only thing i noticed is the throttle position flashes 1% then back to 0%, could this be affecting it?

i activated the settings in the computer by using a smarty touch

 

 

 

 

2 hours ago, Me78569 said:

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).

 

1 hour ago, Jared Riley said:

So could it be that the tps is on its way out you think?

according to the tsb if the ecm see's tps increase above %0 then high idle will cancel.   

 

You will have to troubleshoot your apps sensor to know if it is on it's way out or if it just needs to be recalibrated.  

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Did you adjust the APPS sensor for voltage before? I'm just checking some people do APPS sensor adjustments attempting to resolve other issues and end up creating a new issue because the voltage adjustment should never be made. 

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Resetting will most likely not fix the problem. The APPS reset just programs the span from low volt to high volt of the sensor. What controls the canceling in the APPS IVS (Idle Validation Switches). On the stock APPS the IVS is controlled by a logic circuit which toggles the idle validation switches when voltage rises or falls below the stated voltage on the tag. So I'm going to bet most likely the sensor is getting tired.

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Alright so i reset the apps for giggles to see if it would work, it did not, so should i order a new apps or is there anything else i should do? I appriciate the help alot

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Dumb idea...

 

Unplug the APPS then run the rest again. I know it will throw an error code and trip the CEL but you'll know if the APPS is the cause. It should default to idle mode and then the high idle should engage. Crazy idea but it might work.

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Alright so i unplugged the apps an then started it, edge jwa monitor shows 0% on throttle position, i let it idle for 3-4 mins and it didnt idle higher, i disconnected the batteries and i will try again after work

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41 minutes ago, Jared Riley said:

Alright i will try a new apps and see what that does

If you're still using factory apps I would change it out just to be safe, sooner or later factory one will give you a headache anyway. 

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