Tacoma Extra Cab 4WD L4-2693cc 2.7L DOHC MFI (1997)
Throttle Body: Testing and Inspection
Component Inspection
THROTTLE BODY INSPECTION
1. CLEAN THROTTLE BODY
(a) Using a soft brush and carburetor cleaner, clean the cast parts.
(b) Using compressed air, clean all the passages and apertures.
NOTICE: To prevent deterioration. do not clean the throttle position sensor and IAC valve.
2. INSPECT THROTTLE VALVE
(a) Apply vacuum to the throttle opener.
(b) Check that there is no clearance between the throttle stop screw and throttle lever when the closed throttle position.
3. INSPECT THROTTLE POSITION SENSOR
(a) Apply vacuum to the throttle opener.
(b) Insert a thickness gauge between the throttle stop screw and stop lever.
Ohmmeter Connection
