T100 Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1993)
Throttle Body: Testing and Inspection
Off-Vehicle Inspection
Clean Throttle Body Before Inspection
1. Wash and clean the cast parts with a soft brush and carburetor cleaner.
2. Using compressed air, clean all the passages and apertures in the throttle body.
CAUTION: To prevent deterioration, do not clean the Throttle Position Sensor and Dash Pot.
Throttle Valve Inspection
1. Apply vacuum to the Throttle Opener.
2. Check that there is no clearance between the throttle stop screw and throttle lever when the throttle valve is fully closed.
Throttle Position Sensor Inspection
1. Apply vacuum to the Throttle Opener.
2. Insert a thickness gauge between the throttle stop screw and stop lever.