2002 grand prix

Asked by Mar 14, 2017 at 07:03 PM about the Pontiac Grand Prix

Question type: Maintenance & Repair

car will shut down after you drive it for a while . changed the crank sensor ,maf
all new and replaced tb with a used one with all the sensors on it, new battery
and alternator .Thought we had it fixed drove over 20km with out a stall and
then it quit . sat over night and starts again but runs for a short while then
quits.Any ideas.

2 Answers


Sounds like the ignition control module is bad. When they start to go bad the engine heat will affect them, causing the car not to start when its warm. If you take it out you can have it tested at an auto parts store to see if it is bad.

1 people found this helpful.

My thoughts exactly. Plus check the coil packs. Same deal. The coil packs may work perfectly fine until they heat up. Then they brake down and cause problems. If you find one coil pack is bad, replace all three. If one is failing, the others are soon to follow. HTH. - Jim

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