YS Delphi hom kev tsheb ciav hlau injector tswj valve ntawm YS muaj cov qauv yooj yim, lub teeb yuag thiab kev siv hluav taws xob tsawg. Lub sijhawm qhib thiab qhib lub sijhawm ntawm cov tswj valve tuaj yeem hloov kho raws li qhov xav tau. Nyob rau hauv txoj kev no, qhov qhib thiab kaw ceev ntawm rab koob valve tuaj yeem tswj tau yooj yim, cov roj txhaj tshuaj tuaj yeem hloov kho ntau yam, thiab txoj cai txhaj tshuaj ntawm cov roj injector tuaj yeem hloov pauv.