Periodic Maintenance Procedures
Throttle Body Cleaning
Check the throttle bore for cleanliness as follows.
Remove the throttle body assy (see Throttle Body Assy
Removal in the Fuel System (DFI) chapter).
Check the throttle bore [A] at the throttle valve for carbon
deposits by opening the throttle valve.
If any carbon accumulates, wipe the carbon off the throt-
tle bore and the throttle valve, using a lint-free cloth pen-
etrated with a high-flash point solvent.
Fuel Hose Replacement
Remove the fuel tank (see Fuel Tank Removal in the Fuel
System (DFI) chapter).
Be sure to place a piece of cloth [A] around the fuel hose
Insert the screw driver [B] to the joint lock slit [C].
Turn the driver to disconnect the joint lock [D].
Pull the fuel hose joint [A] out of the delivery pipe.
Insert the fuel hose joint straight into the delivery pipe.
Push the joint lock [A].
Push and pull [B] the fuel hose joint back and forth more
than two times and make sure it is locked and does not
Slide the joint, and confirm the joint is correctly in-
stalled. There is a possibility that the fuel leaks
when the installation is mistaken.
If it comes off, reinstall the hose joint.
PERIODIC MAINTENANCE 2-13