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Home >> Lexus >> 2025 >> NX 450h+ Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> AIR FUEL RATIO SENSOR (for Sensor 2) >> Removal [11/2021 - ] >> Procedure

Removal [11/2021 - ]: Procedure

  1. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  2. REMOVE FRONT FLOOR COVER LH 
    Refer to PROCEDURE - Step 38
  3. REMOVE ENGINE UNDER COVER HEAT INSULATOR 
    Refer to PROCEDURE - Step 40
  4. REMOVE AIR FUEL RATIO SENSOR 
    1. GTY1077557Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disengage the wire harness clamp.
      2. Disconnect the air fuel ratio sensor connector.
      3. Using SST, remove the air fuel ratio sensor from the front exhaust pipe assembly.
        • SST: 09224-00012 
        NOTE:

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

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