disconnected plug, bad plug, shorted plug, corrosion inside plug, missing plug
The cracked plug can cause the wires to spark and cause a fire. When the wires are plugged into it where the crack is the wires can touch the socket and cause the fire.
check ur pluges and wires but also check ur starter
A miss fire is often caused by either a bad or fouled spark plug or spark plug wire. It could also be caused by a failing coil, it that case two cylinders would miss fire. I would look at spark plugs and wires first.
Probably the spark plug or spark plug wires, I would try that first.
Faulty plug wires or bad coil or coil wire.
Check spark plugs and wires
Bad spark plug, bad spark plug wire
A fuel leak and a source of ignition such as faulty spark plug wires.
Because of the heat/fire with electricity would start it to make/create a chemical reaction which would have it smoke.
if its a 6 cylinder check plug wires make sure u got firing order right
I would start with replacing the spark plug wires and spark plugs (if you did not do that for a while). If does not help check the coils or distributor depending on what you have.
Sure can - absolutely yes.See "Related Questions" below for more about these fundamentals of getting the electrical voltage down to the plug to fire off the air/fuel mix.