Tundra 4WD V6-3.4L (5VZ-FE) (2004)
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a. Apply a light coat of gasoline to a new O-ring, and install it to the pressure regulator.
b. Attach the pressure regulator to the LH delivery pipe.
c. Check that the pressure regulator rotates smoothly.
NOTE: If it does not rotate smoothly, the O-ring may be pinched, so remove the pressure regulator and repeat steps (a) to (c) above.
d. Install the pressure regulator with the 2 bolts.
Torque: 8 N.m (80 kgf.cm, 71 in.lbf)
e. Install the engine wire with the bolt.
6. RECONNECT FUEL RETURN HOSE TO FUEL PRESSURE REGULATOR
NOTE: Be sure to insert the hose up to the stopper and clip it.
7. REINSTALL INTAKE AIR CONNECTOR
8. REINSTALL AIR CLEANER HOSE
9. CHECK FOR FUEL LEAKS
