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.



On older carbureted engines, a device which limits the amount of air which enters the carburetor, thus controlling the air/fuel mixture.

See Also:
Air/Fuel Mixture
Exhaust Gases
Fuel Filter
Air Filter
Rich Fuel Mixture
Lean Fuel Mixture

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