4 Runner 2WD V6-4.0L (1GR-FE) (2006)
14. REMOVE FUEL INJECTOR ASSEMBLY
15. INSTALL FUEL INJECTOR ASSEMBLY
a. Install a new insulator to the each fuel injector.
b. Apply a light coat of spindle oil or gasoline to a new O-ring and install it to the each fuel injector.
c. While turning the fuel injector left and right, install it to the fuel delivery pipe.
d. Position the fuel injector connector outward.
16. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY
a. Place the fuel delivery pipe together with the 6 fuel injectors on the intake manifold.
b. Temporarily install the 6 bolts which are used to hold the fuel delivery pipe to the intake manifold.
c. Check that the fuel injectors rotate smoothly.
HINT: If fuel injectors do not rotate smoothly, the probable cause is incorrect installation of O-rings. Replace an O-ring.