Checking the Mechanical Operation of the Flap

Checking the Mechanical Operation of the Flap












^ Turn the ignition switch to the OFF position.
^ Wait for 10 seconds.
^ Open and close the flap valve by hand.
^ The flap valve should not bind in any position
^ The spring should return the flap valve to the stop screw.
^ No external objects, hoses, cables, etc. must obstruct the movement of the throttle arm.

Is the function correct?

NO ^ Continue with Checking the Mechanical Operation of the Flap

YES ^ Checking Idling Speed

Can the fault be rectified without changing the throttle body?

NO ^ Changing Components

YES ^ Diagnostic Procedure