Throttle Valve Control Module, Cleaning

Throttle Valve Control Module, Cleaning

Special tools, testers and auxiliary items required

• Acetone

• Observe the rules for cleanliness. Refer to => [ Clean Working Conditions ] Fuel Supply.

• The throttle valve connections must not be damaged when cleaning.

Procedure:

- Remove the throttle valve control module. Refer to => [ Throttle Valve Control Module (J338) ] Removal and Replacement.

- Open throttle valve by hand and hold it in the open position with a suitable object - arrow -.







Acetone is easily flammable. Observe accident prevention measures and safety information when working with easily flammable fluids. Do not used compressed air when cleaning the throttle valve. Always wear protective eyewear and protective clothing to prevent injuries and fuel from coming in contact with your skin.

- Clean the throttle valve, especially in the area of the closed throttle valve, with standard acetone and a brush.






- Wipe the throttle valve with a lint-free cloth.

- Allow the acetone to dry completely and reinstall the cleaned throttle valve control module.

- Adapt a new Engine Control Module (ECM) to the throttle valve control module. Refer to "Guided functions" in the vehicle diagnostic tester.