2008 Toyota Land CruiserFACTORY OEM SERVICE PROCEDURE

Fuel System: Precaution

CAUTION:
  • Before working on the fuel system, disconnect the cable from the negative (-) battery terminal.
  • Do not smoke or be near an open flame when working on the fuel system.
  • Keep gasoline away from rubber and leather parts.
  1. DISCHARGE FUEL SYSTEM PRESSURE 
    CAUTION:
    • Do not disconnect any part of the fuel system until you have discharged the fuel system pressure.
    • After discharging the fuel pressure, place a cloth or equivalent over fittings as you separate them to reduce the risk of fuel spray on yourself or in the engine compartment.
    1. Remove the engine room relay block cover.
    2. Remove the circuit opening relay (C/OPN).
    3. Start the engine. After the engine has stopped on its own, turn the engine switch off.

      HINT:

      If DTC P0230 is output, clear the DTC (See DTC CHECK/CLEAR ).

    4. Crank the engine, then check that the engine does not start.
    5. Loosen the fuel tank cap, then discharge the pressure in the fuel tank completely.
    6. Disconnect the cable from the negative (-) battery terminal.
    7. Install the circuit opening relay.
    8. Install the engine room relay block cover.
    Fig 1: Identifying Circuit Opening Relay
    G05628769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. FUEL SYSTEM 
    1. When disconnecting the high fuel pressure line, a large amount of gasoline will spill out. Follow these procedures.
      1. Perform the "Discharge Fuel System Pressure" procedures above.
      2. Put a container under the connecting part of the pressure line.
      3. Slowly loosen the connection.
      4. Disconnect the connection.
      5. Plug the connection with a rubber plug and cover it with a plastic bag.
      Fig 2: Identifying Plastic Bag
      G05628770Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Observe these precautions when installing the injectors:
      • Never reuse the O-ring.
      • When placing a new O-ring on the injector, do not damage it.
      • Coat a new O-ring with spindle oil or gasoline before installing it. Do not use engine oil, gear oil or brake oil.
    3. Install the injector to the delivery pipe and cylinder head as shown in the illustration (Fig 3).
      NOTE: Before installing the injector, apply spindle oil or gasoline on the place where the delivery pipe contacts the O-ring of the injector.
Factory Service Tools

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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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