2003 GMC Sierra missing

Tiny
OM
  • MEMBER
  • 2003 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 78,000 MILES
First starts run fine after a min. Or two starts missing reads multipe misses. New plugs & fuel filter no help
Thursday, January 17th, 2008 AT 1:49 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
Change your spark plug wires, and clean out your egr valve. Also check the air filter.
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Friday, January 18th, 2008 AT 9:21 AM

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