99 grand prix gtp rpms bounce up and down when it shifts in overdrive, finally got a check engine light and reads mass air flow sensor low volume. I was thinking more of transmission clutch solenoid?

35

Asked by Jul 17, 2012 at 12:11 PM about the 1999 Pontiac Grand Prix 2 Dr GTP Supercharged Coupe

Question type: Maintenance & Repair

1 Answer

35

But it went about 6 months before i got a check engine light!

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