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Idle Speed/Throttle Actuator - Electronic: Service and Repair

IDLE AIR CONTROL (IAC) VALVE REPLACEMENT

REMOVAL PROCEDURE




1. Remove the fuel injector sight shield.




2. Disconnect the electrical connector from the idle air control valve.




3. Remove the idle air control valve attaching screws.




4. Remove the idle air control valve.




5. Remove the idle air control valve O-ring.

INSTALLATION PROCEDURE

NOTE: The IAC valve may be damaged if installed with the cone (pintle) extended more than 28 mm (1 - 1/8 in). Measure the distance that the valve is extended before installing a new valve. The distance from the idle air control valve motor housing to the end of the idle air control valve pintle should be less than 28 mm (1 - 1/8 in). Manually compress the pintle until the extension is less than 28 mm (1 - 1/8 in).




1. Install the new idle air control O-ring.




2. Install the idle air control valve in the throttle body.

NOTE: Refer to Fastener Notice in Service Precautions.





3. Install the idle air control valve attaching screws.

Tighten
Tighten the idle air control valve attaching screws to 3 N.m (27 lb in).




4. Connect the idle air control valve harness connector.
5. The powertrain control module (PCM) will reset the idle air control valve whenever the ignition is turned ON, then OFF. Turn ON the ignition for 10 seconds, then OFF for 5 seconds.
6. Start the engine and allow the engine to reach operating temperature.




7. Install the fuel injector sight shield.