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HI,

We just became owners of a 2002 Ram 3500, with the 5.9L Diesel engine. There is one problem that we are having ith our truck and I am hoping that someone here can help us. Sometimes when we depress the throttle down, there is no reaction from the motor. It doesn't happen very often but every once in a while it does. I have tried taking the overdrive off, putting the overdrive on, changing gears, etc..the only thing that I have found that does help is to shift into neutral and then back into gear. I have read on other posts to check the codes by turning the truck key on and off three times, teh only code that comes up is: P PCU. I have not seen where I can find the codes listed to find out what this code means.

Others have told us that it sounds like the Throttle Positioning Sensor?

I am hoping that someone out there can help me! Otherwise..WONDERFUL truck!!! Pulling a 4 horse bumper pull trailer..what POWER!!!!
 

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Welcome to diesel forums
We're glad you guys are here. Enjoy your stay.
 

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I will agree with the possibilities of the TPS, But I do have to ask? How old are your batteries, and have you checked your alternator charging system? Some times low voltage causes some interesting electrical issues.
 
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