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, ...

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, ...

One of the last noises you want to hear from under the hood of your car is a knocking sound. If you're familiar with engine knocks, you might immediately imagine having to pay thousands of dollars to ...