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 ...

Spark plugs are one of those maintenance items that, along with things like brake fluid and thermostats, are easily ...

Side gapping a spark plug means shortening the ground electrode in order to give the flame a more direct path to the air/fuel ...

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.

Yep, subject says it all. I changed my spark plugs, and my mileage has taken a huge hit. My '95 Corolla averaged about 30 mpg previously, but since the change, it's averaging 26 mpg.<BR><BR>I switched ...