Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

If you hear a knocking sound from the bowels of your engine, it could be rod knock, but what exactly is it, and just how ...

Among the many pesky issues that can confound do-it-yourself mechanics, one of the most simple yet elusive that impacts overall drivability is the common vacuum leak. This is especially true if you're ...

We may receive a commission on purchases made from links. No matter the type of car you drive, whether a diesel truck, a hybrid SUV, or a turbocharged sedan, a vacuum system is really important. The ...