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Home >> Jeep >> 1990 >> Wrangler Base, 2.5 E >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Oxygen (O2) Sensor R & I >> Procedure >> Removal & Installation

Removal & Installation

O2 sensor is mounted in the exhaust pipe just below the exhaust header. It is equipped with a permanent pigtail which must be protected from damage when the sensor is removed. Disconnect harness connector and remove sensor. Always use anti-seize compound on threads prior to installation. Tighten sensor to 22 ft. lbs. (30 N.m).