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Home >> BMW >> 1989 >> 325is Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Theory/Operation >> Fuel System >> Fuel Control >> Adaptive Lambda Control (Oxygen Sensor) System
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Adaptive Lambda Control (Oxygen Sensor) System

MCU uses feedback from oxygen sensor to adjust air/fuel mixture. It also includes operation and regulation of fuel evaporative system canister control valve. System also compensates for altitude changes and air leaks.