« Back to Dictionary Index (AIS) Any system that injects air into the exhaust stream to promote more complete oxidation of unburned exhaust gases, improving emissions control. Related Articles: Automotive Dictionary: Air Aspirator System (AAS)Automotive Dictionary: Air Control ValveAutomotive Dictionary: Air-guardAutomotive Dictionary: Air PumpAutomotive Dictionary: Air Solenoid« Back to Dictionary Index 2024-06-02
