4 Runner SR5 2WD V6-3.4L (5VZ-FE) (1997)
Fuel Pressure Regulator: Service and Repair
REMOVAL
1. Remove air cleaner hose.
2. Remove intake air connector.
3. Disconnect fuel return hose from fuel pressure regulator.
CAUTION: Put a shop rag under the pressure regulator.
4. Remove fuel pressure regulator.
(a) Remove holding bolt the engine wire to the LH cylinder head cover.
(b) Disconnect the protector from the bracket on the RH cylinder head cover, and lift up the engine wire.
(c) Remove the 2 bolts, and pull out the pressure regulator.
(d) Remove the 0-ring from the pressure regulator.
INSTALLATION
1. Install fuel pressure regulator.
(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.