bad distributor cap or ignition wires (bad insulation damaged when you pull wires out without twisting it ) and less likely burned valves or bad plugs
What causes misfire 302, 304 and 306
Misfire detection.
the gun powder ispacked to tightly and the preassure builds up and can cause it to misfire
In general (very loosely) a misfire can be a bad plug, wire or coil.
Time to replace seals, this usually causes misfire.
A misfire will cause flames to come out of the carburettor
Normally a vacuum leak.
Lean Misfire
Driving to fast
Spark plugs
p0302 is cylinder 2 misfire, you need to fix the cause of the misfire. Possible causes are plugs, coils, injectors......
what are the possible causes of misfire on number one cylinder in a dodge 2003 ram 4.7 liter engine