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it could be a possability that you could have a small hole in your exaust pipe thats what i got when ur car is on look at the exaust pipe and feel around it dont touch it cus it will be hot lol

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12y ago
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Q: Why does a 2002 Chevy cavalier make a humming sound at 25mph 36 or 37mph and 55mph Foot on or off the gas Sometimes you can hear it just taking off?
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