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1991 Chevy Blazer engine lacks power when it is at operatin

Tiny
AARON REINBOLD
  • MEMBER
  • 1991 CHEVROLET BLAZER
  • V8
  • 4WD
  • AUTOMATIC
  • 93,000 MILES
When the engine is cold it has power when it is warmed up it lacks power
Tuesday, December 25th, 2007 AT 8:33 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Any other problems other than the lack of power
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Wednesday, December 26th, 2007 AT 12:36 AM
Tiny
AARON REINBOLD
  • MEMBER
  • 2 POSTS
Back fire up through throttle body.
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Wednesday, December 26th, 2007 AT 9:33 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like a lean fuel mixture or an intake valves sticking open.
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Wednesday, December 26th, 2007 AT 9:37 PM

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