Spark plugs help you start gasoline engines and glow plugs do the same in diesel engines. But how do they go about providing ...

Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

Simply put, getting the maximum power from any race engine is a function of the temperature, pressure and timing of combustion gases in the cylinder. Since it would be expensive and impractical for ...

Read a good spark plug lately? We hope so, for your engine's sake. But spark plug reading—the traditional way to check your fuel mixture and monitor other vital conditions in the combustion chamber ...

Most drivers know that you should change your spark plugs routinely to keep your car's engine running smoothly. However, when it comes to gapping spark plugs, many people may find themselves confused.