On-Vehicle Inspection Process for Throttle Body (Testing & Inspection)
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c. Disconnect the vacuum hose from the throttle opener, and plug the hose end.
d. Check the throttle opener setting speed.
Throttle opener setting speed: 900 - 1,950 rpm
If the throttle opener setting is not as specified, replace the throttle body.
e. Stop the engine.
f.
Reconnect the vacuum hose to the throttle opener.
g. Start the engine and check that the idle speed returns to the correct speed.
