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.

Electronics > Knock Sensor
Most common
Engine
Suspension
Brakes
Fuel System
Electronics
Cooling System
Terms/Tools
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:
Air Flow Sensor
Carbon Tracks
Sensor
Starter Solenoid
Ignition System
Battery Terminals
Ohmmeter
Electrolyte

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: