Procedures

THROTTLE BODY (THROTTLE VALVE AREA) CLEANING

WARNING: When touching the throttle valve, surely shut off the driving circuits of the throttle valve. In the event that the throttle valve is operated, a finger might be injured as the result of being caught by the throttle valve.

CAUTION:
- When the throttle body cleaning is performed, use scan tool MB991958 to initialize the learning value.
- Do not spray the cleaning solvent directly to the throttle valve.
- Make sure the cleaning solvent does not enter the motor and the sensor through the shaft.

1. Disconnect the electronic-controlled throttle valve connector.
2. Remove the throttle body.
3. Spray cleaning solvent on a clean cloth.
4. Wipe of the dirt around the throttle valve with the cloth sprayed with cleaning solvent.
5. Attach the air intake hose.
6. Connect the electronic-controlled throttle valve connector.