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Home >> Subaru >> 2006 >> Outback XT, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H4DOTC) >> Front Oxygen (A/F) Sensor >> Removal

Front Oxygen (A/F) Sensor: Removal

  1. Disconnect the ground cable from battery.
    Fig 1: Removing Collector Cover
    G05019586
  2. Disconnect the connector from front oxygen (A/F) sensor.
  3. Disconnect the engine harness fixed by a clip, from the bracket.
    Fig 2: Identifying Front Oxygen (A/ F) Sensor Connector
    G05017828
  4. Remove the front right side wheel.
  5. Lift-up the vehicle.
  6. Remove the service hole cover.
    Fig 3: Identifying Service Hole Cover
    G04998395
  7. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
  8. Remove the front oxygen (A/F) sensor.
    CAUTION: When removing the oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.
    Fig 4: Identifying Front Oxygen Sensor
    G04998396
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