Iifom zesakhiwo seempompo ze-fuel injector VE4 11F1800LLD17 zinokwahlulwa zibe ngamacandelo amabini: uhlobo lwegiya kunye nohlobo lwe-rotor. Iimpompo zesitofu segesi yegiya zahlulwe zaba luhlobo lwangaphakathi lwegiya kunye nodidi lwegiya yangaphandle. Le yokugqibela ibizwa ngokuba yimpompo yesitofu segiya.