Genuine Subaru Impreza WRX Air Injection Pump

The Subaru Impreza WRX Air Injection Pump serves as a fundamental operation point of its Secondary Air Injection System which provides outstanding reliability alongside performance benefits for efficiency and safety measures. The Air Injection Pump in the exhaust system pulls fresh air through which initiates fuel oxidation to lower emissions of Hydrocarbons (HC) and Carbon Monoxide (CO). The system functions with different engine temperatures and operates through electric or belt-driven air pump technology that aligns with various Subaru Impreza WRX models. During engine warm-up the air control valve routes air through the manifold and when the engine temperature reaches set limits it directs air to the catalytic converter. The diverter valve stops backfires when braking but the one-way check valves defend the Air Injection Pump from high temperature exhaust gases. Efficiency and emissions problems will result from Air Injection Pump or hose or valve malfunctions so scheduled inspections become necessary for preventing such complications which reduce fuel economy and create more emissions. The Subaru production line introduced the Impreza WRX model in 2000 as a compact vehicle which gained popularity because of its outstanding driving capabilities and solid gas efficiency. The Subaru Impreza WRX sustains its successful reputation because of its 2.5-liter engine and all-wheel-drive system together with the vital contribution of the Air Injection Pump.

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