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.


Accelerator Pump

If you're one of the few souls that still has a carbureted engine, you've got an accelerator pump that provides an extra squirt of fuel to enrich the air/fuel mixture and thus enable the car to accelerate when the gas pedal is depressed.

See Also:
Air Filter
Fuel/Air Mixture
Carburetor Bowl
Float Bowl
Fuel Filter

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: