...system. Check the distributor cap/rotor for any signs of carbon tracking/arcing. Do you have good spark from coil? Check wiring for the Camshaft Position Sensor/Crankshaft position Sensor for timing ...
...system for that cylinder. Stay looking for things that affect only that cylinder. When you pulled the plug, was it fairly normal looking? Then this misfire code might only be a timing problem. It is ...
...exhaust being plugged can cause this, these cars have a catalytic converter in the exhaust system that can get plugged, you would need to get this checked where they do exhaust systems , although a ...
Question about GMC Envoy
...plugged exhaust system, it could be that a pipe has collapsed or the catalytic converter may be plugged up. check back pressure at the o2 sensor ( req' special tool) or drill small hole in exhaust ...
...motor as well it just happened as the it started running rough maybe plug exhaust system An exhaust system leak could give the O2 Sensor extra oxygen & cause the fuel injector timing to be
...filter ex. nothing seems to work You do not say if is has a loss of power or not ,but you might want to check it for a plugged exhaust system. Or at least a partially plugged exhaust
...plugged exhaust in an engine that has been misfiring, running too rich or an engine that uses oil. Too much fuel or oil entering the exhaust system can overheat the catalytic converter and melt it ...
...plugged). This caused a back-up of exhaust into the egr system. Probably melted the flexible tubing to the sensor, and may have damaged the sensor and/or the egr valve itself. The hissing you heard ...
...headers sound as if they have been on the truck for awhile and are not new to the unit so then I would not think they are causing the problem. But I tell you for sure the plugged exhaust system
Question about Cars & Trucks
... P0300 random misfire . Without testing we'd be guessing ! Fuel system testing , ignition system testing , engine management system testing , back pressure test the exhaust .plugged catalytic ...
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