Your engine can make a lot of weird noises, depending on what has gone or is about to go fully kaput. If it's a rhythmic pinging sound that progressively increases as you step on the throttle, ...

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 ...

Restarting the engine proved that the knock was no quieter so once again, we dropped the pan, discarded the remaining rod shims, and replaced all the parts that gave us repeated access. At this point ...