Component Inspection

THROTTLE BODY COMPONENT 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 throttle valve is fully closed.
3. Inspect throttle position sensor.
(a) Apply vacuum to the throttle opener.

Ohmmeter Connection:

Reference:

(b) Using an ohmmeter, measure the resistance between each terminal.