That rhythmic knock under the hood could mean five very different things.

There are a million and one things that could go wrong with a car engine. In old times, it was solely up to the owner and/or technician to drudge through possible issues until they determined what was ...

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 ...

QI have a sort of knocking noise that seems to come from the front left side of my Honda Accord. It has 150,000 on it at present. The noise seems to sound like an unbalanced wheel. All of the tires ...