Throttle sensor or mass air flow sensor

Asked by GuruCGLW4 Mar 16, 2019 at 02:46 PM about the 2003 Pontiac Grand Prix SE

Question type: Maintenance & Repair

My car takes a couple times to start and
when it shifts it shifts rough occasionally
dies it's a 2003 Pontiac Grand Prix would
that be the throttle sensor or mass air flow
crankshaft sensor how to know which one

1 Answer
18,645

munron answered 5 years ago

Scan it for trouble codes. The car probably knows the answer to your question. It's just waiting for you to ask.

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