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Home >> Toyota >> 2022 >> C-HR Limited >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System - Service Information >> Air Fuel Ratio Sensor >> Removal [10/2017 - 12/2021] >> Procedure

Removal [10/2017 - 12/2021]: Procedure

  1. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Front and Rear Catalyst) 

    Refer to REMOVAL [10/2017 - 12/2021]

  2. REMOVE NO. 1 FRONT FLOOR HEAT INSULATOR 
    1. Remove the 3 nuts and No. 1 front floor heat insulator from the vehicle.
      GTY767300Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE AIR FUEL RATIO SENSOR 
    1. Disconnect the air fuel ratio sensor connector.
      GTY767258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 clamps.
    3. Using SST, remove the air fuel ratio sensor from the exhaust manifold.
      GTY742056Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09224-00012 
      NOTE:

      If the air fuel ratio sensor has been struck or dropped, replace it.