Start by searching for a small cylindrical metal object sticking out of the engine. Chances are it’ll be on one side. This is the spark plug. Look for a fairly thick wire at the end of the spark plug.

Spark plugs are essential to the running of a vehicle, helping ignite the mixture of air and fuel to provide combustion to the engine. There are three specific parts of a spark plug, a central ...

An internal combustion engine needs three things to get going: Air, fuel, and spark. The throttle body and intake plenum feed air, while injectors spray the right fuel mix into the combustion chamber.