can changing the original gas cap to a stant gas cap make the shut off wihile driving

Asked by kaldiver Dec 11, 2012 at 01:10 AM about the 2000 Pontiac Grand Prix GT

Question type: Maintenance & Repair

the car will shut off on me when i am driving , then i wait a few minutes and then start it again and it runs. could that be becasue the gas cap is causing  a vacuum and the engine can nit get any fuel to it?

2 Answers
69,055

John answered 11 years ago

The tank should be pressurised and if there is any issue with it being pressurised it will set a check engine light for evap leaks. At the very worst it will run rough but it shouldn't kill it.

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