PULSAIR

PULSAIR
A GM system similar to the air Injection Reaction System (AIR) except there is no air pump. Instead exhaust pressure pulses draw air into the exhaust system. Fresh air that is filtered by the air cleaner is supplied to the system on a command from the Electronic Control Module (ECM).

Dictionary of automotive terms. 2015.

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  • air injection reaction system — (AIR system) The AIR system helps to reduce hydrocarbons and carbon monoxide levels in the exhaust by injecting air into the exhaust ports of each cylinder during cold engine operation, or directly into the catalytic converter during normal… …   Dictionary of automotive terms

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