2019 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE

Oxygen Sensor (FA20): Removal

  1. Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
  2. Removal of front tire RH
  3. Removal of under cover front AL (Refer to REMOVAL )
  4. Disconnection of under cover front side RH
    1. Remove 3 clips, and disconnect the under cover front side RH.
    G12586464Courtesy of SUBARU OF AMERICA, INC.
  5. Removal of oxygen sensor
    1. Disconnect the connector for oxygen sensor and the 2 clamps.
      G12586465Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the oxygen sensor from the exhaust manifold.
      G08554062Courtesy of SUBARU OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.