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

Throttle Sensor

Also called the 'Throttle Position Sensor' (or 'TPS' for short). This device indirectly determines how far the gas pedal has been depressed. If you think yours might be bad, try testing it with an ohmeter, or replacing it with a known good TPS before you spend the dough.



See Also:
Spark Plug
Generator
Ignition Timing
Knock Sensor
Spark Plug Wire
Electronic Ignition
Battery
Distributor

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: