1.4 MPI engine (EA111) · Mixture preparation – injection · Injection system

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.
  • Adapt engine control unit to throttle valve module ⇒ Vehicle diagnostic tester “Guided functions”.