I HAVE A 2003 ENVOY AND THE MOTOR IS A 4

  • Tiny
  • Anonymous
  • 2003 GMC Envoy
  • 131,900 miles

I have a 2003 envoy and the motor is a 4.2. When I turn my defroster on the motor idles way down and sometimes dies

Monday, March 25th, 2013 AT 5:26 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

Sounds like a idle air control valve that is not functioning.

Roy

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Monday, March 25th, 2013 AT 10:42 AM

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