Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSTOYOTA2009FJ CRUISER RWDREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYENGINE FUEL SYSTEMFUEL SYSTEMPRECAUTION

2009 Toyota FJ Cruiser RWD

Fuel System: Precaution

2009 Toyota FJ Cruiser RWDSECTION Precaution

BEFORE WORKING ON FUEL SYSTEM
1. Before working on the fuel system, disconnect the cable from the negative battery terminal.
2. Do not work on the fuel system near naked flames. Never smoke during the work.
3. Keep rubber and leather parts away from gasoline.
DISCHARGE FUEL SYSTEM PRESSURE
CAUTION:
- DISCHARGE FUEL SYSTEM PRESSURE procedures must be performed before disconnecting any part of the fuel system.
- As some pressure remains in the fuel line even after taking precautions to prevent gasoline spillage, use a shop rag or piece of cloth to prevent gasoline splashes when disconnecting the fuel line.
1. Disconnect the cable from the negative battery terminal.
2. Remove the circuit opening relay (see ON-VEHICLE INSPECTION ).
3. Connect the cable to the battery negative terminal.
  Torque: 3.9 N*m (40 kgf*cm, 35 in.*lbf)
4. Start the engine.
5. Turn the ignition switch to ON after the engine stops.
  HINT:
  
  DTC P0171 (system too lean (Bank 1)) or DTC P0174 (system too learn (Bank 2)) may be set.
6. Crank the engine again and check that the engine stops.
7. Remove the fuel tank cap and discharge the pressure in the fuel tank completely.
8. Install the circuit opening relay (see ON-VEHICLE INSPECTION ).
FUEL SYSTEM
1. When disconnecting the high-pressure fuel line, a large amount of gasoline will splash. So take the following precautions.
  1. Discharge the fuel system pressure.
  2. Disconnect the fuel tank main tube (see REMOVAL ).
  3. Drain the fuel remaining in the fuel tank main tube.
  4. Cover the disconnected fuel tank main tube (fuel tube joint and fuel tube connector) with a vinyl bag to prevent damage and the intrusion of foreign objects.
2. Take the following precautions when installing the fuel injector.
  1. Do not reuse the O-ring.
  2. Do not damage a new O-ring when installing it into the fuel injector.
  3. Before installing a new O-ring, apply gasoline or spindle oil.
    NOTE: Do not use engine oil, gear oil or brake oil.

RENDER: 1.0x

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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.