2008 Chevy Impala Feeling a vibration in seat

2008 CHEVROLET IMPALA
40,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SAMOORE100
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I have been feeling a vibration in my fronts seats while driving speeds 30mph or more,Its driving me crazy I have also taken it to the chevy dealer for this and they said it could be my tires I have replaced my tires which I thought it was not the problem, and still feeling this vibration in seat and gas paddle, I think it is a machinal problem, What could i have someone to check for this problem.

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Sylvia Moore
Mar 23, 2010 at 8:10 AM
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RHALL77
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is the check engine light on? do you feel the vibration all the time or only when you push down on the brake, or push down on the gas?
Mar 23, 2010 at 3:23 PM
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SAMOORE100
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No the engine light is not on , and I feel the vibration when I push on the gas paddle, and the viration is felt more in the seats.

Sylvia Moore
Mar 24, 2010 at 6:49 AM
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RHALL77
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sounds like the engine maybe mis firing. I would have it scanned for misfires at your local shop. it is possible you have a stuck injector or maybe need a tune up
Mar 24, 2010 at 8:09 AM