I-YS inikeza ama-valve e-solenoid afanayo kuma-injection emoto kadizili ahlukahlukene. Isici sokuphendula sesivinini esiphezulu sevalvu ye-solenoid siwukhiye wokulawula okunembayo komjovo wesikhathi sokujova uphethiloli, ubude besikhathi sokujova uphethiloli, kanye nokugcwaliseka kwamaphethini omjovo amaningi.
Umthamo wokugeleza we-valve ye-solenoid uyisihluthulelo sokuqinisekisa umthamo womjovo kaphethiloli womjikelezo wenjini kadizili ngaphansi kwezimo ezihlukene zokusebenza. Idizayini yenqubo entsha ye-YS kanye nesakhiwo esithuthukisiwe senza i-valve ye-solenoid ibe namandla kanye nemvamisa yokusebenza ihlangabezane nezidingo zokulawula umjovo kaphethiloli.