If your battery is dying on you, the cause might be what's known as parasitic drain. Here's what it is, how it happens, and ...

On older vehicles and smaller engines, the carburetor controls the mixture of fuel and air that reaches the engine. Here's ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...