1997 GMC C1500 car running real rough

1997 GMC C1500
194,500 MILES • V8 • 2WD • AUTOMATIC
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COOKIEBJRX
  • MEMBER
  • 1 POST
truck runs real rough at high speed and idleing could this be exhaust gas regulator
Sep 11, 2008 at 4:47 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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