2003 GMC Sierra missing

2003 GMC SIERRA
78,000 MILES • V8 • 2WD • AUTOMATIC
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OM
  • MEMBER
  • 1 POST
First starts run fine after a min. or two starts missing reads multipe misses. new plugs & fuel filter no help
Jan 17, 2008 at 1:49 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BLACKOP555
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 10,386 POSTS
Change your spark plug wires, and clean out your egr valve. also check the air filter.
Jan 18, 2008 at 9:21 AM
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