LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2007 >> Outback XT Limited, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (H4DOTC) >> Front Oxygen (A/F) Sensor >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Front Oxygen (A/F) Sensor: Removal

  1. Set the vehicle on a lift.
  2. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G05019586Courtesy of SUBARU OF AMERICA, INC.
  3. Disconnect the connector from front oxygen (A/F) sensor.
  4. Disconnect the engine harness fixed by a clip, from the bracket.
    Fig 2: Identifying Front Oxygen (A/F) Sensor Connector
    G05340185Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the front right side wheel.
  6. Lift the vehicle.
  7. Remove the service hole cover.
    Fig 3: Identifying Service Hole Cover
    G04998395Courtesy of SUBARU OF AMERICA, INC.
  8. Apply spray-type lubricant or equivalent to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
  9. 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
    G04998396Courtesy of SUBARU OF AMERICA, INC.
scientia non olet · About LEMON Manuals