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2001 Chevy Impala Car makes reving noise when I am above 10

Tiny
ELIAS.D.MARTINEZ
  • MEMBER
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 156,000 MILES
I have a 2001 Chevy Impala. I just bought it about 3 months ago. It has a little over 150k miles on it. It has been running great and I have put about 5k miles on it since I purchased it. It has given me no problems until this past week. It started making a noise, almost sounding like an additional rev to my engine. It only makes noise when I am going above 10 miles an hour. Once I begin to slow down below 10mph it is completely quiet. I don't have any indicator lights on and I check all the fluids. Everything seems to be in order. Anybody have any idea what the problem is and how to fix it?
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Saturday, October 3rd, 2009 AT 7:17 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,230 POSTS
It sounds like it could be the throttle position sensor. However, I can't be sure if the check engine light isn't on. Does the engine actually rev or just sound that way?
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Monday, October 5th, 2009 AT 7:58 AM
Tiny
ELIAS.D.MARTINEZ
  • MEMBER
  • 2 POSTS
It just sounds that way
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Monday, October 5th, 2009 AT 9:48 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,230 POSTS
If there is no light, we may have to wait until the problem gets bad enough to set a light, unless you feel it is unsafe to drive.
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Monday, October 5th, 2009 AT 10:29 AM

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