Toyota Tundra 2001-06

Fuel Pressure Regulator

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Removal & Installation



3.4L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain engine coolant.
  4.  
  5. Disconnect accelerator cable from throttle body.
  6.  
  7. Remove air cleaner hose.
  8.  
  9. Disconnect the throttle position sensor connector.
  10.  
  11. Disconnect the throttle control motor connector.
  12.  
  13. Disconnect the accelerator pedal position sensor connector.
  14.  
  15. Disconnect the air hose.
  16.  
  17. Disconnect the 2 water bypass hoses.
  18.  
  19. Remove the 2 bolts, 2 nuts, throttle body and gasket.
  20.  

To install:

  1. Place a new gasket on the air intake chamber facing the protrusion upward.
  2.  
  3. Install the throttle body with the 2 bolts and 2 nuts and tighten to 18 Nm (13 ft. lbs.).
  4.  
  5. Connect the throttle position sensor connector.
  6.  
  7. Connect the throttle control motor connector.
  8.  
  9. Connect the accelerator pedal position sensor connector.
  10.  
  11. Connect the air hose.
  12.  
  13. Connect the 2 water bypass hoses.
  14.  
  15. Connect accelerator cable to throttle body.
  16.  
  17. Install air cleaner hose.
  18.  
  19. Fill with engine coolant.
  20.  
  21. Start engine and check for coolant leaks.
  22.  

4.0L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Discharge fuel system pressure.
  4.  
  5. Disconnect cable from negative battery terminal.
  6.  
  7. Remove v-bank cover.
  8.  
  9. Remove air cleaner assembly.
  10.  
  11. Disconnect fuel pipe sub-assembly no.2.
  12.  
  13. Remove the 2 bolts, then remove the fuel pressure regulator.
  14.  
  15. Remove the vacuum hose.
  16.  

To install:

  1. Install the vacuum hose.
  2.  
  3. Apply a light coat of spindle oil or gasoline to a new O-ring and install it onto the fuel pressure regulator.
  4.  
  5. Install the fuel pressure regulator with the 2 bolts and tighten to 9.0 Nm (80 in. lbs.).
  6.  
  7. Connect fuel pipe sub-assembly no.2.
  8.  
  9. Install air cleaner assembly.
  10.  
  11. Install v-bank cover.
  12.  
  13. Connect cable to negative battery terminal.
  14.  
  15. Check for fuel leakage.
  16.  

4.7L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain engine coolant.
  4.  
  5. Remove the air intake duct.
  6.  
  7. Disconnect the throttle control connector.
  8.  
  9. Disconnect the water bypass hoses.
  10.  
  11. Remove the throttle body.
  12.  

To install:

  1. Install the throttle body and tighten the fasteners to 14 Nm (10 ft. lbs.).
  2.  
  3. Connect the water bypass hoses.
  4.  
  5. Install the air intake duct.
  6.  
  7. Fill the engine with coolant.
  8.  
  9. Start the engine and check for leaks.
  10.  

 
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