Bad spark plug Bad plug wire Bad valve Bad piston Do a compression test to see if problem is engine internal
Yes.
A plug not firing for some reason. this may be do to bad wires, insulation cracks cause spark to jump from wire to wire, or wire to ground.
Engine miss/running rough. Engine back firing / poping
P0303, number 3 cylinder is miss-firing. You could drive it but depending on the reason why it is miss-firing, it may damage the catalytic converter.
It might be due to pluges get it changed and for pickup you need lamda control system Micheal 9310584008
My http://wiki.answers.com/Q/FAQ/4339is miss firing. What's the solution ?
yes, it could have water in it ,or dirt that will plug the fuel system.
It could be a bad sparks plug or timing belt which would make it miss fire.If you do not have fire to the proper place in the engine, it will cause a miss fire due to the firing system of the engine.
sounds like your a tooth out on the belt , recheck the pins and marks.
The most common reason for a engine to miss and lose power is a lack of fuel. A dirty fuel filter can cause an intermittent fuel supply to the engine.
Coil, module, injectors double check firing order on wires
Check for hairline cracks (very hard to see) inside the distributor cap. This causes cross firing.