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 ...

Our cars can make some pretty strange sounds. If you drive them for long enough, you'll most likely experience some fairly unsettling noises at some point or another. While any unusual sound coming ...

Engine knocking, or detonation, occurs when fuel in the cylinders ignites unevenly, causing metallic pinging sounds, reduced power, and potential engine damage. Key causes include low-octane fuel, ...

Every driver knows that feeling. Something’s off. The car sounds different, and it’s not going away. The human ear picks up on changes in mechanical rhythm faster than most people realize, and these ...

Knock sensors are devices used in internal combustion engines to detect engine knock or detonation. The knock sensor detects vibrations and sends a signal to the engine control module (ECM), to ...