Idle Speed/Throttle Actuator - Mechanical: Testing and Inspection
THROTTLE OPENER INSPECTION- Allow the engine to warm up to normal operating temperature.
- Check idle speed.
Idle speed: 800 ± 50 rpm
- Check throttle opener setting speed.
- Disconnect the vacuum hose from the throttle opener, and plug the hose end.
- Check the throttle opener setting speed.
Throttle opener setting speed: 900 - 1,900 rpm
(w/ Cooling fan OFF)
- If the throttle opener setting is not as specified, replace the throttle body assembly.
- Stop the engine.
- Reconnect the vacuum hose to the throttle opener.
- Start the engine, and check that the idle speed returns to the correct speed.
Idle speed: 800 ± 50 rpm