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Home >> Jeep >> 1982 >> Scrambler Base, 4.2L Eng VIN C, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Computerized Emission Control >> Operation >> Catalytic Converter

Catalytic Converter

Proper emission control is aided by the use of a special catalytic converter. A dual-bed COC and TWC monolithic-type converter, with "downstream" air injection, is used. The injection of air between the 2 beds provides more complete oxidation of air and CO in the closed loop mode. In order for these converters to be effective, precise control of the oxygen content of gases entering converter is necessary. This is accomplished by the oxygen sensor, MCU and feedback carburetor.