Kia Optima: Electric WGT Control Actuator. Description and OperationIt operates the vain in the Waste Gate Turbocharger (WGT) and regulates the compressed air amount by the ECM's PWM signal. This actuator consists of a DC motor which actuates the vane, a 2-step gear which increases torque of the DC motor, a position sensor which detects status of the vane, an electric control unit which drives the DC motor.

Installation
Electric WGT Control Actuator. Components and Components LocationTroubleshooting
Troubleshooting
Symptom
Probable cause
Remedy
Play in steering
Loose yoke plug
Retighten
Loose steering gear ...
Dome Light Bulb Replacement
WARNING
Prior to working on the Dome Light, ensure that the “OFF” button is depressed
to avoid burning your fingers or receiving an electric shock.
1. Using a flat-blade screwdriver, ge ...
Check Engine (Malfunction Indicator) Light
This indicator light
is part of the On Board Diagnostic System which monitors various emission control
system components. If this light illuminates while driving, it indicates that a
potential p ...