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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 115 (Engine Control System (A25A-FXS) - Service Information) >> AIR FUEL RATIO SENSOR (for Sensor 1) >> Removal [06/2018 - ] >> Procedure

Removal [06/2018 - ]: Procedure

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  1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18 [06/2018 - 08/2020] , or refer to PROCEDURE - Step 18 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 18 [08/2021 - 09/2022] , or refer to PROCEDURE - Step 18 [09/2022 - ]

  2. REMOVE AIR FUEL RATIO SENSOR 
    WARNING:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

    GTY563663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disengage the 3 wire harness clamps.
      GTY762817Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the air fuel ratio sensor connector.
    3. Using SST, remove the air fuel ratio sensor from the exhaust manifold (TWC: Front Catalyst).
      • SST: 09224-00012 
      NOTE:

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

      GTY768980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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