2005 GMC Envoy P0307 and P0507 code

2005 GMC ENVOY
95,000 MILES • V8 • 2WD • AUTOMATIC
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FLYGIRL199
  • MEMBER
  • 1 POST
I have both P0307 and P0507 codes and when idling engine rough
Nov 12, 2008 at 1:11 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
There is a TSB (technical service bulletin) concerning code P0307.

Contact the dealer and see if it is a free fix.
Dec 13, 2008 at 10:25 PM
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