2005 GMC Envoy

2005 GMC ENVOY
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MW904
  • MEMBER
  • 1 POST
Engine Performance problem
2005 GMC Envoy Four Wheel Drive Automatic

I got a diagnostic test done and it read that there was a secondary air flow malfunction. What does that mean and what do i need to get it fixed?
Feb 13, 2009 at 6:57 AM
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BRIAN 1
  • ✓Experienced Mechanic
  • 1,030 POSTS
what was the code?need more info and will advise from there.
Feb 13, 2009 at 7:04 AM
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