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Home >> Cadillac >> 1985 >> Seville 5.7 N >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Digital >> Operation >> Closed Loop Fuel Control

Closed Loop Fuel Control

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The closed loop fuel control system maintains an air/fuel ratio of 14.7:1. The O2 sensor monitors oxygen content of exhaust gases and sends the information to ECM. The ECM, in turn, corrects air/fuel mixture for deviations from ideal ratio.