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, ...

QI have a sort of knocking noise that seems to come from the front left side of my Honda Accord. It has 150,000 on it at present. The noise seems to sound like an unbalanced wheel. All of the tires ...

A knocking sound from the engine often triggers worst-case assumptions, but piston slap is a far more common—and usually less dangerous—culprit. It occurs when a piston lightly contacts the cylinder ...

I drive a 2009 Honda Pilot Touring 4WD. I hear some knocking when I start the engine. It eventually becomes relatively quiet after a minute or two. Would it be a good idea to start using synthetic oil ...