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(( Pontiac Grand Prix GTP


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ctrad45
User

Dec 6, 2006, 5:22 PM

Post #1 of 3 (1243 views)
post icon (( 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
User

Dec 13, 2006, 11:56 AM

Post #2 of 3 (1223 views)
Re: (( Pontiac Grand Prix GTP Sign In

I gotta bump!!!Wink


Bear505
User

Dec 14, 2006, 1:06 PM

Post #3 of 3 (1212 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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