Attention!
- When installing a new engine control unit, the throttle control unit must be adapted. Adaptation may only be carried out with a new or cleaned throttle valve control unit, as contamination/coking of the throttle valve can lead to incorrect values,
- Do not scratch the throttle body when cleaning.
Engine code BCA and BUD
1. Remove the air filter.
Continued job description for all vehicles
2. Remove the throttle module.
3. Open the throttle valve by hand and secure it in the open position with an improvised tool (e.g. plastic or wooden wedge) (arrow).
Attention! Do not use compressed air to clean the throttle body.
1. Thoroughly clean the throttle valve connection, especially in the area (arrows) closed damper, with ordinary acetone using a brush.
2. Wipe the dampers with a lint-free cloth.
3. Wait for the acetone to evaporate and reinstall the throttle control unit.
4. Adapt the engine control unit to the throttle valve control unit.
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