1.4 TSI engine (EA111) · Mixture preparation – injection · Intake manifold

Cleaning throttle valve module - J338-

  • 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.
  • Erase learnt values and adapt engine control unit - J623- to throttle valve module ⇒ Vehicle diagnostic tester “Guided functions”.