(( Pontiac Grand Prix GTP - Car Troubleshooting


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(( Pontiac Grand Prix GTP

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ctrad45
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Dec 6, 2006, 5:22 PM

Post #1 of 3 (1345 views)

(( Pontiac Grand Prix GTP	Sign In

Lately, every once in a while, my super charger will make kind of a whining noise and when I hear it the car shifts really rough. when I don't hear the whining, which is most of the time, the car runs and shifts great. Anyone know what causes this?

ctrad45
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Dec 13, 2006, 11:56 AM

Post #2 of 3 (1325 views)

Re: (( Pontiac Grand Prix GTP	Sign In

I gotta bump!!!

Bear505
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Dec 14, 2006, 1:06 PM

Post #3 of 3 (1314 views)

Re: (( Pontiac Grand Prix GTP	Sign In

Well, and I know you don't want to hear this, but there are probably ten or so reasons for this to be happening. With one condition seemingly causing another (Supercharger whining, and shifting rough) my best guess would be electronic. Which means that you've got a switch or a sensor out of whack. Even if the Service Engine Soon light isn't on, I'd take it in to have it diagnosed, and unfortunately, unless the Engine light is on, Autozone won't do it. It needs to be analyzed.

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