2007 GMC Sierra tighten fuel cap and check engine light

2007 GMC SIERRA
58,333 MILES • V8 • 4WD • AUTOMATIC
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JOEANGEL47
  • MEMBER
  • 1 POST
check engine light does not go off and early in the morning tighten fuel cap warning comes on for a few seconds but then goes off everyday.
Sep 17, 2010 at 12:44 PM
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MADMIKE1735
  • ✓Experienced Mechanic
  • 951 POSTS
bring it to your local parts store such as autozone, or advanced auto, have it scanned for codes.... let us know what you find. it may be a fuel cap, or it may be a little more complicated.
Sep 17, 2010 at 1:12 PM
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