2003 Chevy Avalanche stalling

Tiny
PJOY47
  • MEMBER
  • 2003 CHEVROLET AVALANCHE
  • V8
  • 4WD
  • AUTOMATIC
  • 105,000 MILES
When I trunon any of the A/C orheat options the RPM's drop and the car stalls.
Tuesday, September 30th, 2008 AT 2:17 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Has the check engine light come on? Have you checked for vacuum leaks? When the AC compressor turns on, it places a drag on the engine, so something as simple as a vacuum leak could cause the engine to die.

Let me know what you find.
Joe
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Monday, March 23rd, 2009 AT 6:25 PM

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