Throttle Body Assy
Idle Speed Inspection/Adjustment
Refer to the Idle Speed Inspection/Adjustment in the Pe-
riodic Maintenance chapter.
Refer to the Engine Vacuum Synchronization Inspection
in the Periodic Maintenance chapter.
Throttle Body Assy Removal
Gasoline is extremely flammable and can be explo-
sive under certain conditions, creating the potential
for serious burns. Make sure the area is well venti-
lated and free from any source of flame or sparks;
this includes any appliance with a pilot light. Do not
smoke. Turn the ignition switch off. Be prepared for
fuel spillage; any spilled fuel must be completely
wiped up immediately.
Never drop the throttle body assy especially on a
hard surface. Such a shock to the body assy can
Air Cleaner Housing (see Air Cleaner Housing Removal)
Fuel Hose (see Fuel Hose Replacement in the Periodic
Intake Air Pressure Sensor #1 Connector [A]
Intake Air Pressure Sensor #2 Connector [B]
Subthrottle Valve Actuator Connector [C]
Main Throttle Sensor Connector [D]
Subthrottle Sensor Connector [E]
Open the clamp [F].
For CAL, SEA-B1 and TH Models, disconnect the vacuum
Slide the dust covers [A].
Loosen the locknuts [B].
Turn the adjusters [C] to give the more free play.
FUEL SYSTEM (DFI) 3-129