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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Fuel System - Service Information) >> FUEL PRESSURE SENSOR (for High Pressure) >> Removal [11/2021 - 03/2023] >> Procedure

Removal [11/2021 - 03/2023]: Procedure

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  1. PRECAUTION 
    NOTE:

    After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [11/2021 - ]
  2. DISCHARGE FUEL SYSTEM PRESSURE 

    Refer to PRECAUTION [11/2021 - ]

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

  4. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 25
  5. REMOVE NO. 1 FUEL PRESSURE SENSOR HOLDER 
    WARNING:

    To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.
    1. GTY1076328Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the fuel pressure sensor connector.
      2. Using an 8 mm socket wrench, remove the 2 bolts and No. 1 fuel pressure sensor holder from the fuel delivery pipe sub-assembly.
  6. REMOVE FUEL PRESSURE SENSOR 
    1. GTY1076648Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the fuel pressure sensor from the fuel delivery pipe sub-assembly.
        NOTE:
        • Pull and remove the fuel pressure sensor in a straight line to avoid damaging the seal surface of the fuel delivery pipe sub-assembly O-ring.
        • After removing the fuel pressure sensor, remove any O-ring and fuel injector back-up rings remaining on the fuel delivery pipe sub-assembly side.
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