K 2500 Truck 4WD V8-454 7.4L VIN J SFI (1997)
Idle Speed/Throttle Actuator - Electronic: Service and Repair
Idle Air Control (IAC) Reset Procedure
1. Turn the ignition switch to the ON position for 5 seconds.
2. Turn the ignition switch to the OFF position for 10 seconds.
3. Start the engine.
4. Check for the proper idle operation.