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Home >> Eagle >> 1988 >> Medallion DL, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> MPFI System >> Operation >> Ecu Input Sensors >> Oxygen (O2) Sensor
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Oxygen (O2) Sensor

Generates fluctuating voltage to ECU, reflecting exhaust oxygen content. ECU determines rich/lean condition from this signal. The O2 sensor is located in exhaust pipe behind the exhaust manifold.