2003 GMC C1500 soiled plug's

2003 GMC C1500
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GOLDWINGDINO
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Engine Mechanical problem
2003 GMC C1500 V8 Four Wheel Drive Automatic

The 4 plug's on the driver's side are black and the pass side is nice and brown and the engine is running rough
Jan 25, 2009 at 6:32 PM
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