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, ...

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 ...

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 ...

My 2011 Mazda 3 suddenly developed a knocking sound in December, which sounds like it is coming from the back passenger side of the car. The noise is intermittent and it does not matter what the speed ...