- A -

AIRS

Aerometric Information Retrieval System (An EPA database).

AIS

Air injection system or auto idle speed.

AIS-ACV

Air injection system-air control valve.

AIS-AMV

Air injection system-air management valve.

AIS-ASS

Air injection system-air switching solenoid.

AIS-ASV

Air injection system-air switching valve.

AIS-BPV

Air injection system-bypass valve.

AIS-DV

Air injection system-diverter valve.

AIS-PAF

Air injection system-pulse air feeder.

AIS-RV

Air injection system- relief valve.

AIS-SV

Air injection system-solenoid valve.

AIS-VCV

Air injection system-vacuum control valve.

AIS-VSV

Air injection system-vacuum switching valve.

AISM

Automatic idle speed motor.

AIV

Air injection valve.

AK Steel

A term often used for aluminum-killed steel.

Al

Aluminum An element with the atomic number of 13.

ALCL

Assembly line communications link.

Alcohol

A colorless volatile liquid; some forms can be used as a fuel for racing engines.

ALDL

An acronym for assembly line data link.