An auto mechanic assessing a 2019 Infiniti with engine noise first chided the customer for trying to make up for running it low on oil by overfilling it and then sought to diagnose it. Featured Video ...

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 ...

What is the knocking sound coming from my engine? What is engine knock? Why is my engine making a knocking noise? Engine knock, or pinging, occurs when a separate pocket of air-fuel mixture ignites ...