Procedures

Throttle Valve Control Module, Cleaning

Special tools, testers and auxiliary items required

• Acetone

• Observe the safety precautions, refer to => [ Safety Precautions ] Multiport Fuel Injection.

• Observe the rules for cleanliness, refer to => [ Clean Working Conditions ] Multiport Fuel Injection.

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

Procedure

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

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





CAUTION!
Acetone is easily inflammable. Observe accident prevention measures and safety information when working with easily inflammable fluids. Do not used compressed air when cleaning the throttle valve. Wear protective goggles and protective clothing to prevent injuries and contact with skin.

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





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

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

- Adapt the Engine Control Module (ECM) to throttle valve control module, if necessary. Refer to "Guided functions".