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Home >> Mercury >> 1981 >> Marquis Base, 4D Sedan, 5.8L Eng VIN G >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Control III >> Removal & Installation >> Oxygen Sensor >> Installation

Oxygen Sensor: Installation

Clean mounting surface and install sensor with fingers. Use tool to tighten sensor until compression washer crushes (27-33 ft. lbs.), then connect wiring.