Throttle Body Cleaning

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 scantool MB991958 to initialize the learning value.

1. Disconnect the electronic-controlled throttle valve connector.
2. Remove the air intake hose from the throttle body.
3. Remove the throttle body.

CAUTION: Do not spray the cleaning solvent directly to the throttle valve.

4. Spray cleaning solvent on a clean cloth.

CAUTION: Make sure the cleaning solvent does not enter the motor and the sensor through the shaft.

5. Wipe off the dirt around the throttle valve with the cloth sprayed with cleaning solvent.
6. Install the throttle body.
7. Install the air intake hose.
8. Connect the electronic-controlled throttle valve connector.