2005 CHEVY COBALT LOW POWER

  • Tiny
  • marklori
  • 2005 Chevrolet Cobalt

Engine Performance problem
2005 Chevy Cobalt 6 cyl Front Wheel Drive Automatic 100000 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

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Sunday, May 9th, 2010 AT 11:39 PM

1 Reply

  • Tiny
  • mhpautos
  • Expert
  • 30,561 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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