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Home >> Lexus >> 2025 >> RX 350h Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> Ignition Coil And Spark Plug >> Removal [10/2022 - 08/2023] >> Procedure
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Removal [10/2022 - 08/2023]: Procedure

  1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 19
  2. REMOVE IGNITION COIL ASSEMBLY 
    1. GTY1077167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the 4 ignition coil assembly connectors.
      2. Using an 8 mm socket wrench, remove the 4 bolts and 4 ignition coil assemblies from the cylinder head cover sub-assembly.
        NOTE:

        If an ignition coil assembly has been struck or dropped, replace it.

  3. REMOVE SPARK PLUG 
    Refer to PROCEDURE - Step 3
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