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2004 Chevy Trailblazer Sputter Noise, Shakes, AC

Tiny
KATYGRRL912
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
Something is making a sputter noise when my AC is on, the car slightly shakes and when I am increasing speed, it slows down through the gears shifting.
Thursday, December 31st, 2009 AT 5:59 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
THe AC does require power from the engine to work. Could the noise be a belt? Also, when was the last tune up? Has the check engine light come on?
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Sunday, January 3rd, 2010 AT 3:11 PM
Tiny
KATYGRRL912
  • MEMBER
  • 4 POSTS
The check engine light does come on, but the code is for my gas cap not being on tight enough. And we just changed the spark plugs this weekend. And it's still doing it.
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Monday, January 4th, 2010 AT 1:30 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
If the light came on for an EVAP system failure, it may not be the gas cap. Did the mechanic tell you what the code was or did you have if checked at a parts store? If the parts store did it, when they see an EVAP code, they want to sell a gas cap.

Is it possible for you to tell me the codes or have it rechecked at a parts store?

Joe
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Monday, January 4th, 2010 AT 11:27 AM

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