Engine idle's at 1700 RPM
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Cummins Guru
Joined: Feb 2008
Posts: 4,191
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From: Sunny Southern California Land of Fruits and Nuts
Engine idle's at 1700 RPM
I have a 2001 Ram 24 valve all stock. I have a code P0121-ACCEL POS SENSOR VOLTS DO NOT AGREE W/IDLE VALID SIGNAL. Engine idles at 1700 RPM, I replaced APP sensor it reads 18% at idle but did not fix problem. I checked all wiring to ECM and APP and is in spec. I'm thinking ECM is bad, anyone had this problem?
Thread Starter
Cummins Guru
Joined: Feb 2008
Posts: 4,191
Likes: 65
From: Sunny Southern California Land of Fruits and Nuts
Finally fixed problem, after getting a bad ECM from Chrysler that wouldn't program. Second reman worked and was able to program it. Turbo boost sensor was also bad. ECM problems that aren't completely DOA can drive me
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