There are many reasons a car makes strange, unusual noises only when it's cold. These sounds could be a warning something is ...

A car engine is a piece of heavy machinery, and it isn’t surprising for it to make all kinds of sounds. The rotating shafts, the moving pistons and valves, the combustion process, and other engine ...

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, ...

Cars are complex machines, and as a result, it's not always evident what's going on under the hood — especially if something is wrong. With all the various components of your car working in harmony, ...