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Home >> American Motors >> 1982 >> Spirit Base, 2D Hatchback, 2.5L Eng VIN B, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Computerized Engine Controls - 4 CYL. >> Operation >> Micro Computer Unit (MCU) >> Notes

Micro Computer Unit (MCU): Notes

The MCU is a microprocessor that monitors oxygen sensor voltage and, based on the mode of engine operation, generates an output control signal for the M/C solenoid.