The "trac off" light comes on, and the tachometer quits working

Asked by Dec 26, 2014 at 09:08 AM about the 2001 Pontiac Grand Prix SE

Question type: Maintenance & Repair

also the engine will stall without warning and will take several minutes of cranking to
restart. and runs like normal again

4 Answers

well i guess that one is so difficult, even the best car techs dont have a clue. that figures

4,275

Sometimes those things are tough to spot unless the failure occurs while the tech is actually working on the car. What sort of trouble codes is it giving you?

1 of 1 people found this helpful.
4,275

Having said that, I always go to the battery first. Have it load tested and make sure the connections are clean and tight. I won't bore you with my Cobalt story, but I have learned that modern electrical systems are extremely sensitive and something as seemingly insignificant as a weak battery can cause all kinds of problems.

1 of 1 people found this helpful.

Same thing happen to me check Crankshaft position sensor

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