2002 GMC Sierra V8 Two Wheel Drive Automatic 104000 miles
I have a 2002 gmc sierra 1500 5.3L and the #1, and#7 cylinders are misfiring and I have changed the fuel filter, ignition coils, spark plugs and wires, mass air flow sensor. And it is still showing misfire can anyone please help?
have the same problem?
Monday, July 7th, 2008 AT 9:36 PM