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, ...

A knock sensor is an engine management component in modern internal combustion engines. It is designed to detect the sound of knocking or pinging in the engine, indicating an engine problem such as ...

General Motors has quietly issued a fix for Buick Envision owners who may be hearing an unwelcome percussion sound coming from under the hood. The Detroit automaker released an updated Preliminary ...

Some Buick Enclave owners may notice their crossover producing an engine ticking noise, in particular around the top end of the engine. Now, GM has issued a new service bulletin to addresses the issue ...