Deleting Adblue or mapping adblue out means remapping/modifying ECU file by deleting adblue program from it. This is certainly done by downloading/flashing unique ECU file employing instruments which include KESS or Dimsport etc.. then modifying that file by deleting necessary maps and uploading it back again to the ECU. Adblue https://howardk912ffd4.wikitron.com/user