2008 Lexus IS FFACTORY OEM SERVICE PROCEDURE

Fuel Pressure Sensor: Removal

  1. PRECAUTION 
    CAUTION:
    • Do not smoke or work near an open flame when handling the fuel system.
    • Keep gasoline away from rubber or leather parts.
    • Do not allow fuel to spray when removing the pipe between the high pressure side fuel pump assembly and the fuel injector assembly. The fuel in the pipe is highly pressurized.
  2. DISCHARGE FUEL SYSTEM PRESSURE 
    1. Discharge fuel system pressure (See FUEL SYSTEM ).
  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
  4. REMOVE INTAKE AIR SURGE TANK ASSEMBLY 
    1. Remove the intake air surge tank assembly (See REMOVAL ).
  5. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY  (See REMOVAL )
  6. REMOVE FUEL PRESSURE SENSOR 
    1. Disconnect the connector.
    2. Remove the fuel pressure sensor and gasket
      3. Fig 1: Locating Fuel Pressure Sensor And Connector
      G04947995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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