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.

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Throttle Body

The part of the fuel system that houses the throttle, it is often tied directly to the throttle control/pas pedal, so that as you press down the gas pedal, a little valve in the throttle body opens up and allows the vacuum of the engine to ingest air and start to party.



See Also:
EGR
Carburetor Cleaner
Float Bowl
Air Aspirator Valve
Ram Tubes
Intake Valves
Tailpipe
Emissions

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