1.4 MPI engine (EA111) · Mixture preparation – injection · Injection system
Cleaning throttle valve module - J338-
- Remove air filter housing ⇒ 1.8 Removing and installing air filter housing.
- Remove throttle valve module.

- Open throttle valve by hand and lock in open position using a suitable object (e.g. wood or plastic wedge) -arrow-.

- Thoroughly clean throttle valve housing, especially around the closed throttle valve -arrows- using commercially available acetone according to DIN 53247 and a brush.
- Wipe off throttle valve housing using a lint-free cloth.
- Allow acetone to evaporate completely and re-install throttle valve module after cleaning.
- Adapt engine control unit to throttle valve module ⇒ Vehicle diagnostic tester “Guided functions”.