Spark plugs come in many different types, but they also have many different heat ranges. Here's what that means, as well as ...

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

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 ...

Spark plugs are necessary for gas-powered engines. However, they're not all the same, and they can come in different shapes ...