method and device for cleaning a einspritzventils in a kraftstoffeinspritzsystem for use in the regeneration of an partikelfilters

摘要

The invention relates to a method and a device for purging an injector in a fuel injector system of use in the regeneration of a particle filter. The aging of the fuel is determined and compared with a fuel aging threshold value and a purge request activated if the threshold value is exceeded. On activating the purge request the satisfaction of the conditions of purge activation are verified and if satisfied, the purge is activated. The purge is continued whilst the conditions are satisfied until the quantity of fuel purged reaches a quantity of fuel to be purged (Qpurge).