Mfundo yogwiritsira ntchito njira zitatu zosinthira chothandizira ndi: pamene kutentha kwakukulu kwa galimoto kutha kupyolera mu chipangizo choyeretsera, choyeretsa mu chosinthira chothandizira chamagulu atatu chidzakulitsa ntchito ya mitundu itatu ya mpweya wa CO, ma hydrocarboni ndi NOx, kulimbikitsa makutidwe ndi okosijeni ake - kuchepetsa mankhwala anachita, imene CO makutidwe ndi okosijeni pa kutentha amakhala colorless, sanali poizoni mpweya mpweya; Ma hydrocarbon oxidize m'madzi (H2O) ndi carbon dioxide pa kutentha kwakukulu; NOx imachepetsedwa kukhala nitrogen ndi oxygen. Mitundu itatu ya gasi woyipa kukhala gasi wopanda vuto, kuti utsi wagalimoto uyeretsedwe. Pongoganiza kuti oxygen ilipobe, chiŵerengero chamafuta a mpweya ndi choyenera.
Chifukwa cha kusakhala bwino kwamafuta ku China, mafutawa amakhala ndi sulfure, phosphorous ndipo antiknock agent MMT imakhala ndi manganese. Zigawo zamankhwala izi zimapanga ma complexes a mankhwala pamwamba pa sensa ya okosijeni ndi mkati mwa njira zitatu zosinthira chothandizira ndi mpweya wotulutsa mpweya womwe umatulutsidwa pambuyo pa kuyaka. Kuonjezera apo, chifukwa cha khalidwe loipa la dalaivala, kapena kuyendetsa galimoto kwa nthawi yaitali m'misewu yodzaza, injiniyo nthawi zambiri imakhala yosakwanira kuyaka, yomwe imapanga mpweya wa carbon mu sensa ya okosijeni ndi chosinthira chothandizira katatu. Komanso, madera ambiri a dziko ntchito Mowa mafuta, amene ali amphamvu kuyeretsa kwenikweni, adzayeretsa sikelo mu chipinda kuyaka koma sangathe kuwola ndi kuwotcha, kotero ndi umuna wa zinyalala gasi, dothi izi komanso waikamo pa pamwamba pa sensa ya okosijeni ndi chosinthira chanjira zitatu chothandizira. Ndi chifukwa cha zinthu zambiri zomwe zimapangitsa galimotoyo itayendetsa galimoto kwa nthawi yayitali, kuwonjezera pa kuchuluka kwa carbon mu valavu yowonongeka ndi chipinda choyaka moto, zidzachititsanso mpweya wa okosijeni ndi njira zitatu zothandizira poyizoni poyizoni, njira zitatu. kutsekeka kosinthira kwa catalytic ndi valavu ya EGR yotsekedwa ndi dothi lokhazikika ndi zolephera zina, zomwe zimapangitsa kuti injini igwire ntchito molakwika, zomwe zimapangitsa kuti mafuta azigwiritsidwa ntchito kwambiri, kuchepa kwa mphamvu komanso kutopa mopitilira muyeso ndi zovuta zina.
Kukonzekera kwanthawi zonse kwa injini kumangokhala pakukonza zoyambira zopangira mafuta, makina opangira mafuta ndi makina operekera mafuta, koma sikungathe kukwaniritsa zofunikira zonse za makina amakono opangira mafuta a injini, makina amalowedwe, makina operekera mafuta ndi makina otulutsa, makamaka zofunika kukonza dongosolo loyendetsera zinthu. Choncho, ngakhale galimoto yaitali yachibadwa kukonza, n'zovuta kupewa mavuto pamwamba.
Poyankha kulakwitsa kotereku, njira zomwe mabizinesi osamalira amachitira nthawi zambiri zimakhala zosinthira masensa a okosijeni ndi zosinthira njira zitatu. Komabe, chifukwa cha vuto la mtengo wosinthira, mikangano pakati pa mabizinesi okonza ndi makasitomala ikupitilirabe. Makamaka omwe sali ndi moyo wautumiki wa kusintha kwa masensa a okosijeni ndi otembenuza njira zitatu, nthawi zambiri amatsutsana, makasitomala ambiri amati vuto ndi khalidwe la galimoto.
