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2003 GMC C2500
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
Thursday, December 2nd, 2010 AT 11:43 PM
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.
Thursday, December 2nd, 2010 AT 11:50 PM
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