WONT IDLE WITH HEAT ON

  • Tiny
  • tate6g
  • 2003 GMC Envoy
  • 6 CYL

My 2003 gmc envoy wont idle right when the heater is on the idle goes up and down then dies

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Wednesday, January 19th, 2011 AT 2:07 AM

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  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

Have the idle air control valve checked. Also, check for vacuum leaks?

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Monday, March 21st, 2011 AT 2:38 PM

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