Intuthu emnyama evela ezinjinini zikadizili ibangelwa kakhulu ukungeniswa kahle kwe-atom kwezinjini zikaphethiloli. Izizathu zingase zibe ukuthi isihlungi somoya sivalekile; i-fuel injector yenjini ye-cylinder ine-athomu engalungile (injini ikhipha intuthu emnyama ngezikhathi ezithile); i-atomization yomjovo kaphethiloli wenjini enamasilinda amaningi ayilungile (injini ilokhu ikhipha intuthu emnyama).
Ngenxa yezimo ezinzima zokusebenza, umjovo kaphethiloli uyingxenye esengozini kakhulu yenjini kadizili, enezinga eliphezulu lokuhluleka.
Ukuzishunqisa kwenjini kadizili ebusika kudalwa kakhulu wumswakama osemafutheni kadizili kanye nezinga likaphethiloli osetshenziswayo ongafanelekile (isizathu wukuthi injini evimbela ukuqhwalela ayinciphi, uma kungenjalo kuba nephutha le-cylinder head yenjini. gasket).
Injini kadizili ikhipha intuthu eluhlaza okwesibhakabhaka uma iqala. Lapho injini iqala, kuba nentuthu eluhlaza okwesibhakabhaka futhi iyanyamalala kancane kancane ngemva kokufudumala. Lesi yisimo esijwayelekile futhi sihlobene ne-cylinder clearance lapho injini kadizili yakhiwe. Uma intuthu eluhlaza okwesibhakabhaka iqhubeka nokuphuma, iphutha lokushiswa kwamafutha, okudingeka liqedwe ngesikhathi.
Amandla anganele noma ancishisiwe ngemva kokuba imoto isisetshenziswe isikhathi esithile kubangelwa izihlungi zikaphethiloli ezingcolile nezivalekile. Ikakhulukazi, kunesihlungi sokuqala sikaphethiloli ohlangothini lwefreyimu enkulu phakathi kwethangi likaphethiloli kanye nephampu yamafutha. Abantu abaningi abakayiboni, ngakho abashintshwanga. Lesi yisizathu sokuthi kungani amaphutha anjalo engeke akhishwe.
Ukuze uqalise imoto, ngokuvamile kudingekile ukumpompa uwoyela kanye nokukhipha ithangi likawoyela epayipini eliphakathi kwephampu yokulethwa kukaphethiloli. Kukhona ukuvuza kukawoyela epayipini noma ipayipi phakathi kwephampu yokuletha uphethiloli kanye nephampu yomjovo kawoyela inokuvuza uwoyela.
