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Home >> Subaru >> 2022 >> Forester Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System >> Rear Oxygen Sensor >> Removal
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Rear Oxygen Sensor: Removal

CAUTION: Vehicle components are extremely hot after driving. Be wary of receiving burns from heated parts.
  1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
  2. Lift up the vehicle.
  3. Remove the under cover front. Ref. to EXTERIOR/INTERIOR TRIM>FRONT UNDER COVER>REMOVAL .
  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. Disconnect the connector (A), and remove the rear oxygen sensor.
    CAUTION: When removing the rear oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.
G13223987Courtesy of SUBARU OF AMERICA, INC.