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Home >> Jeep >> 1989 >> Wrangler Laredo, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Emission Control System Description >> Operation >> Computerized Emission Control (CEC) System

Computerized Emission Control (CEC) System

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CEC system closely controls the engines air/fuel ratio through use of feedback system. Major components of this system include exhaust gas oxygen sensor, vacuum switches, temperature switches, Micro Computer Unit (MCU), fuel injection system or computer controlled carburetor to maintain a constant air/fuel ratio. For additional information, see appropriate article in the COMPUTER ENGINE CONTROL section.