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Home >> Subaru >> 1982 >> Subaru 1.8L Eng VIN 5 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Injection System >> Description

Air Injection System: Description

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The air injection systems' purpose is to reduce exhaust emissions by oxidizing hydrocarbons and carbon monoxide during cold engine operation. The system is composed of an air suction and cut-off valve, thermosensor, solenoid valve, check valve, air filter, various hoses and tubing, and an electronic control unit.