ASE Auto Maintenance and Light Repair
Terms & Definitions
Practice Test
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Air injection reaction AIR System
Carbon monoxide
A ball bearing housed in a rubber insulator. Mounted to the upper side of the vehicle and used to support the driveshaft when more than one driveshaft is used.
A system that provides fresh air to the exhaust system under controlled conditions to reduce emissions. The air source can be a pulse-air pump or an electrical or belt driven pump. Upstream air injection goes into the exhaust manifold to assist in after burning HC laden exhaust gases. Downstream air injection goes into the oxidation bed of the catalytic converter to help oxidize HC and CO emissions.
The amount of cranking amps amperes that the battery can deliver in 30 seconds at OF - 18 C