Mechanics

ROUGH IDLE

2003 GMC C2500 • V8 4WD Automatic • 195,000 miles

03 gmc idles rough and engin light flashes but goes of after driveing it a few feet just changed plugs and wires same thing mabey worse
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Rick30
December 2, 2010.



Check engine light on

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on.

Rasmataz
Dec 2, 2010.