Friday, March 30th, 2012 AT 4:24 AM
I OWN A 1999 PONTIAC GRAND AM SE WITH A 2.4 L TWIN CAM. MY #2 SPARK PLUG IS MIS-FIRING ON AND OFF. I CHANGED OUT THE PLUGS, PLUG BOOTS, COIL PACK, CAM SHAFT SENSOR, FLUSHED THE MOTOR, WHAT ELSE CAN I TRY?