The Bosch fuel metering unit (fuel metering valve) e hlahisoang ke YS ke e 'ngoe ea likarolo tsa bohlokoahali tsamaisong ea phepelo ea mafura a enjene ea disele. E laola palo ea mafura a kenang seporong sa mafura ho kopana le litlhoko tsa ho beha khatello ea tsamaiso ea terene e tloaelehileng. e etsa taolo e koetsoeng ea khatello ea seporo hammoho le sensor ea khatello ea terene.
Likhutsufatso tsa Senyesemane tsa valve ea metering ea Bosch e hlahisoang ke YS ke ZME, MEUN, tsamaiso ea Delphi e bitsoa IMV valve, 'me tsamaiso ea Denso e bitsoa SCV valve kapa PCV valve.