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

Several systems are used to control emissions. System usage depends on model, engine and transmission combinations. Each system is designed to control vehicle emissions. In addition, specially calibrated carburetors, fuel injection systems, distributors and modified combustion chambers are used to help control exhaust emissions.