The air injector reactor (AIR) pump is a vital component of the vehicle's emission system. The air injection pump is in control of pumping excess gases back to the engine for combustion or to the oxygen sensor to enhance engine performance.
Air injection pump functionModern vehicles are required to have certain emission standards, so manufacturers have to install additional components on the vehicle. One of the additional parts is the secondary air injection (SAI) pump which helps lower emissions. The SAI pump increases the number of hydrocarbons the catalytic converter can transform into water.
The SAI pump is essential to modern vehicles because it can lower emissions by sending in fresh air. The component is located on the engine or in the engine bay, or it can be hidden in the engine bay. the SAI pumps operate by pumping fresh air into the exhaust system to reduce emissions.
Common issues with an Air injection pumpAn air injection pump can lead to stalling, poor engine performance, and a decrease in fuel economy.