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 ...
When your car’s engine starts coughing, most mechanics grab a wrench. This guy grabbed his iPhone. In a viral Facebook Reel, a young mechanic tries to diagnose a sputtering engine not by popping the ...