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 ...

Sound coming from your engine bay is typically very normal, as it means the engine is working and providing power to help move your vehicle. Most drivers have an idea of what their vehicle should ...

Some engine issues are common, and most folks can recognize them. But some are so unusual, you may never have seen them. Here ...

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 ...