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#1
03-12-2008, 08:42 PM
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'99 CVPI Rattling during acceleration!
I just bought a ’99 CVPI from the City of Grand Rapids auction. I have noticed a rattling when in gear and under medium to heavy acceleration. When I accelerate lightly I do not hear the noise. Once the car has been driving for a few minutes the noise goes away. Also when in park and reved up I do not hear this sound. I have not tried it in neutral. I hope it is something like a cat and not the transmission. Can anybody help?
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#2
03-12-2008, 08:48 PM
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Re: '99 CVPI Rattling during acceleration!
The car has just under 80,000 miles, and I have only done oil changes.
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#3
03-12-2008, 09:02 PM
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Re: '99 CVPI Rattling during acceleration!
could be a heat shield
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#4
03-13-2008, 06:46 AM
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Re: '99 CVPI Rattling during acceleration!
Also could be a dirty MAF sensor. If it is not allowing a correct air flow reading, it can cause spark knock on acceleration.
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#5
03-13-2008, 06:58 PM
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Re: '99 CVPI Rattling during acceleration!
Thanks for both of your inputs. I will check both out this weekend since I will be doing an oil change.
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#6
03-22-2008, 02:10 PM
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Re: '99 CVPI Rattling during acceleration!
I did Find a stone stuck in one of the heat shields on the cat, but it did not fix the problem. I brought it to a mechanic and it seems to be comming from the transmission.
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