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i have a brand new injector pump and brand new lift pump on my 2001 dodge 2500 cummins 6 speed ho i am throwing the p1690 rough idle within the first 5 to 10 mins of when the truck is first started then rough idle goes away also brings up check engine light and my headlights surge help me please i have been told it could be my cam shaft position sensor
code is p1690 i have a brand new injector pump and brand new lift pump need help wat the code is so i can fix it asap rough idle check engine light and surging headlights the rough idle is only within the first 5 to 10mins of start up then goes away i been told it could be my cam shaft position sensor
You might want to recheck the installation of the injection pump. Ensure that the key was aligned properly and not damaged. Also that the injection pump key was not installed backwards (arrow should point towards the pump).
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