I HAVE A 96 BLAZER 4.3L AND THE CHECK ENGINE LIGHT CAME ON AND THE DIAGNOTIC TEST CAME BACK WITH P0300 (MULTIPLE/RANDOM CYLINDER MISFIRE). I HAVE REPLACED WIRES, SPARK PLUGS, ROTOR, DISTRIBUTOR CAP,, IGNITION COIL, IGNITION MODULE CONTROL, T.P.S SENSOR, AIR MASS CONTROL SENSOR, AIR THROTTLE CONTROL SENSOR. WHAT I WOULD LIKE TO KNOW IS WHAT ELSE CAN CAUSE MULTIPLE/ RANDOM CYLINDER MISFIRE. THANK YO
- posted
18 years ago