Service manual

FUEL SYSTEM (DFI) 3-87
Throttle Body Assy
•
Turn the throttle pully [A] clockwise to remove the throttle
cable tip [B].
•
Loosen the l ocknut [C] and adjusting nut [D] fully to re-
move the throttle cable from the throttle body assy.
•
Loosen the c lamp screws [A] fully.
•
Remove the throttle body assembly [B].
•
After removing the throttle body assy, stuff pieces of lint
-free, clean cloths into the throttle body assy holders.
CAUTION
If dirt gets into the engine, excessive engine wear
and possible engine damage will occur.
Throttle Body Assy Installation
•
Turn the throttle pulley to check that the throttle valve
move smoothly and return by spring force.
If the throttle valve do not move smoothly, replace the
throttle body.
•
Open the butterfly valves [A], and wipe any carbon off
the throttle bores [B] around the valve, using a piece of
lint-free cloth penetrated with a high-flash point solvent.
•
Blow away dirt or dust from the throttle body by applying
compressed air.
CAUTION
Do not immerse the throttle body in a high-flash
point solvent for cleaning. This could damage the
throttle sensor on the throttle body.
•
Be sure to groove [A] of the throttle body holder fits on the
projection [B] of the cylinder head.
•
Install the throttle body assy.
•
Tighten the throttle body holder clamp screw securely.
•
Run the leads and hoses as shown in the Cable, Wire,
and Hose Routing section of the Appendix chapter.