Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.

Back

Knock Sensor

A sensor which detects engine knock or 'ping' and then transmits a signal to the engine's computer. Too much knock can break these sensors, which have to then be replaced.



See Also:
Spark Knock
Spark Advance
Electronic Sensor
Starter
Battery
Charging System
Open Circuit
Ignition Fire

Diagnose Your Car's Problem

Engine won't start? Weird sound? Strange smoke? Got something going on with your car but not sure what it is? The easy to use DriverSide Diagnostic Tool is here to help you figure it out.



Enter Zip: