Posts Tagged: secondary air injection pump

What is secondary air injection?

Learn what secondary air is and how it works Secondary Air Injection (SAI) systems play a crucial role in reducing emissions in internal combustion engines. Introduced to meet stringent environmental regulations, these systems help minimize harmful pollutants, particularly during a vehicle’s cold start phase when emissions are typically highest. Secondary air is known as an air injection reaction system (AIR). What secondary air does The AIR system injects fresh air into the exhaust stream to facilitate the oxidation of unburned hydrocarbons (HC) and carbon monoxide (CO) into less harmful substances … Read More