06 GMC Envoy issues

Tiny
MIBOND
  • MEMBER
  • 2006 GMC ENVOY
  • 4 CYL
  • 103,750 MILES
Hello,

Can someone educate me on what the prob could be with my 06 GMC Envoy. Engine light one, rpm fluctuates, lights dimming and battery gauge fluctuates when rpm does it. I had it check for code at autozone and it came with something about air. Before all this started my gas cap light came on 1st and I had the cap replaced. That fixed it for about 2 wks. Any clue what to do before mechanic is involved. Any help is greatly appreacited.

Thank you
Michelle
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Thursday, February 24th, 2011 AT 4:56 PM

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Tiny
JDL
  • EXPERT
I need the trouble code number.
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Thursday, February 24th, 2011 AT 5:00 PM

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