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

Lean Fuel Mixture

An air/fuel mixture that contains an excessive amount of air in proportion to gasoline. This leads to higher exhaust gas temperatures, and is generally more dangerous to the health of your engine than an overly-rich mixture, though neither are desireable.



See Also:
Air/Fuel Mixture
Fuel Filter
Fuel Pump
Air Cleaner
Fuel/Air Mixture
Intake Manifold
Emissions
Carburetor Bowl

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: