Question about 2002 Pontiac Sunfire

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When i accelerate i hear a high wheezing noise. it is effecting my pick up rate on the vehicle. Does any one have any ideas?

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Posted on Jan 02, 2017

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SOURCE: fluttering noise in engine while accelerating at a fast rate

I believe you may be referring to 'pinging', Try a tank of premium gas and see if it stops. Check your timing, and when was it last tuned? Let me know what u find. countrycurt0

Posted on Oct 02, 2008

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SOURCE: High Pitch whine during acceleration

well it could be a few things but most likely you belt is sliping. That is very common and happens to all cars over the years if the belt is not changed. You should check it out. The belt could be bad but it could also be a bad pully. If you dont know what these parts are look them up on google. its very simple

Posted on Nov 21, 2008

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SOURCE: High Pitch whine during acceleration

First you need to isolate the noise. You don't mention the mileage on the car. Do you have the supercharged engine? If you do, remove the belt for the super and make sure that is not the problem. If you still hear the noise approximately below or from the super area, it is most likely the belt tensioner pulley.
In my car there was a large washer over the pulley (original equipment), as the pulley wobbled on the bad bearings, it would cause a sound like a bad alternator or gear whine getting exponentially worse the faster the engine reved. Now that the part is replaced, you can barely hear the engine idle and is significantly quieter at high RPM.
My car - 2004 Pontiac Grand Prix GTP with 66,000miles.

Posted on Dec 30, 2008

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SOURCE: High Pitch whine during acceleration

More often than not the power steering fluid is low and that is the whine that you hear. Fill up your power steering fluid and see if it goes away. Cost about $5 bucks and will tell you if you need to spend more $$$ on something else.

Posted on Feb 13, 2009

  • 39 Answers

SOURCE: High Pitch whine during acceleration

Hi Pullerwife,

I have a few suggestions for you,

First of all, check your air filter, make sure its clean, not clogged, and doesn't need to be changed.

I don't know how handy you are, but if you are fairly handy, check the idler pulley bearings, if your not, have a shop check it out, as a last resort.

Power steering pump/fluid being low is also a possibility, but thats usually more of a lower pitched whine then what you describe.

You say once the vehicle is warmed up, the whining stops. Does Weather seem to be a factor as well?

Hope I've helped, and don't forget to rate.

Lazaruselite

Posted on Feb 25, 2009

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