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2005 Chevy Cobalt Low power

Tiny
MARKLORI
  • MEMBER
  • 2005 CHEVROLET COBALT
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
As I excelarate the car makes a humming noise and dies down when I come to a start. I noticed the car does not put out the power it used to and labors to get up to 65 miles an hour on the highway
Sunday, May 9th, 2010 AT 11:39 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

In a case like this it is always best to do the simple things first, start with a full tune and scan for any unresolved fault codes, check all belts and pulleys for worn components re the humming noise, I am presuming that this noise is constant with engine speed?

Mark (mhpautos)
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Monday, May 10th, 2010 AT 1:46 AM

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