Pontiac grand prix 3800 no start or random shutoff

Asked by James Feb 27, 2017 at 02:02 PM about the 2002 Pontiac Grand Prix GT

Question type: Maintenance & Repair

I have an issue. I've seen this asked on here
several times too so it must be common.
However.... I have replaced the fuel filter,pcv valve ,
plugs , wires, and crank sensor but the problem
still exists. Someone told me I may not be getting
fire that I may have bad coils or icm problems but
it runs fine when it starts. Ive exhausted all options
other then fuel pump...I think. Can someone shed
some light on this dull ass parade of mine??

2 Answers
75

georgebonnar answered 7 years ago

had the same problem,,spent a fortune trying to find the problem,,no garage could pinpoint the problem,,it was the electronic ignition switch below the coils or what the coils sit on,,,the flat electronic plate,,so far ive replaced it twice,,it just about drove me nuts to find it. my car has 376,ooo on it and drives like a dream

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