Engine Performance problem
2001 Other GMC Models V8 Four Wheel Drive Automatic 295000 miles
cylinder #4 and #6, missfire.
i changed spark plugs, wires, cleaned the injectures, change the gaskits on the intake manifolt, swich the coils between bank 1 and bank 2, changed the CMP sensore, change the fuel and air filter, and I changed the lifters, and I still have missfire on those two cylinder, , any idea, thx
Friday, September 3rd, 2010 AT 7:45 AM