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Home >> Jeep >> 1989 >> Wrangler Base, 2.5 E >> Repair and Diagnosis >> Engine Performance >> System >> Emission Control System Description >> Operation >> Air Injection
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Air Injection

Air injection system consists of air pump, diverter valve, check valve, and various air distribution lines necessary to inject fresh air into exhaust system. Injection of fresh air into hot exhaust gases creates an afterburning effect which reduces exhaust emissions.