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Home >> Dodge and Ram >> 1989 >> Caravan Base, 2.5 K, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Emission Control System Description >> Operation >> Air Injection
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Air Injection

The air injection system consists of air pump, air control valve, check valves, injection tubes and various air distribution lines. Injection of fresh air in exhaust manifold causes an afterburn which results in lower emission levels.