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:
Float Bowl
Lean Fuel Mixture
Rich Fuel Mixture
Idle Speed Screw
Air Aspirator Valve
Throttle Body
Air Filter

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