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, ...

What was that? If you hear a knocking sound inside your lawn mower, don't ignore it. A "knock" like this typically means a certain part has too much clearance.

Engine knock is not a single problem — there are at least four distinct types, each with a different cause and a different level of urgency. The pinging sound that appears only under hard acceleration ...

Learn how to diagnose common car noises, from engine rattles and brake squeals to suspension knocks, and understand what ...