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Home >> Subaru >> 2016 >> Outback 3.6R Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H6DO) >> Rear Oxygen Sensor >> Removal

Rear Oxygen Sensor: Removal

  1. Disconnect the ground terminal from battery sensor. < Ref. to BATTERY , NOTE, Repair Contents. >
  2. Lift up the vehicle.
  3. Remove the front exhaust pipe. < Ref. to REMOVAL , Front Exhaust Pipe. >
  4. Apply spray-type lubricant (004301003) or equivalent to the threaded portion of rear oxygen sensor, and leave it for one minute or more.
  5. Remove the rear oxygen sensor.
    CAUTION: When removing the rear oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.
    Fig 1: Identifying Rear Oxygen Sensor RH And LH
    G10310597Courtesy of SUBARU OF AMERICA, INC.
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