Matsalolin Manyan Injinan Mota Ƙanana: Dalilan da ya sa ya kamata a guje musu yayin sayen mota.

Ƙananan Motoccin Mota: Lokacin da Ajiye Kuɗi Zai Zama Matsala.

Masana'antun motoci suna tallata ƙananan injinan fetur a matsayin daidaito tsakanin ƙarfin motoci da kuma ajiyar mai. Duk da haka, a aikace, wasu daga cikin waɗannan injinan sun mayar da mallakar mota a matsayin aikin kulawa mara iyaka. Burin cimma daidaitaccen tsarin muhalli ya zama matsala: rage girman injin an cike shi da amfani da na'ura mai ƙarfi, amma daidaitattun saitunan tsarin mai ya zama abin wahala ga yawancin samfura. Mun nazarci ra'ayoyin masana da masu mallakar motoci — ga jerin injinan hudu da mutane suka fi samun matsala da su.

VTEC

Honda 1.0 VTEC (P10A2) da aka yi amfani da shi a cikin Honda Civic na ƙarni na goma ya bayyana da kyau a farko, amma daga baya an gano matsala mai tsanani. Matsalar ta kasance a cikin kuskuren juyawa na kwamforen wanda ya sa bel ya fara tarwatsewa, sannan sassa ya shiga cikin injin. Wannan na haifar da zafin jiki mai yawa da lalacewa na silinda na biyu. Kodayake Honda ta yi ƙoƙarin gyara halin, matsalolin ba su tafi ba kuma an daina amfani da injin a sabon ƙarni na Civic.

PureTech

1.2 PureTech (EB) daga PSA/Stellantis da aka yi amfani da shi a Peugeot, Citroen da Opel, amma ya kasance mara dogara sosai. Babban matsalar — bel na kwamforen, wanda ke aiki cikin mai. A yayin da lokaci ya wuce, man fetur ya shiga cikin man lubricating, ya sa ya yi laushi, wanda ke kara saurin lalacewar bel. Sassan da suka kwakule sun lalata hanyar man da kinga ƙarar mai don mai fenti. Yawancin injin sun lalace tun kafin 40,000 km, duk da shawarwari na hukuma na canza bel akan 160,000 km. Sai a shekarar 2023 Stellantis ya gabatar da sabon nau'in tare da tsirin silsila, amma matsaloli a nau'ikan farko sun kasance babu gyara.

EcoBoost

Ford 1.0 EcoBoost ya zama shahararren saboda ƙarfinsa da ƙarancin amfani da mai, amma nau'ikan farko (2012-2018) sun fuskanci matsaloli masu tsanani. Babban matsalar ita ce rashin ƙarfin kai na alamar silinda wanda ke iya tsaga da sanya wani abu mutum mayzube, wanda ke haifar da rashin isasshen lokacin sanyaya injin. Pupun mai da ake aiki dashi daga camshaft ya kasance mara dogara — saboda ɓarna na cam, matsi ya sauka, yana jawo rashin kyakkyawan aiki na injin. A cikin 2018, Ford ta yi gyaran fuska ga injin, amma dubban masu mallakan motoci sun haɗu da gyararraki masu tsada.

Renault TCe

Renault 1.2 TCe (H5Ht), da aka gama-gari tare da Daimler, ya kasance yana da matsaloli kamar haka. Ɗaya daga cikin manyan matsalolin shine yawan amfani da man fetur — har zuwa lita 1 akan kilomita 1000. Matsalar ta kara dagulewa saboda aikin rashin ingancin popun mai wanda ya haifar da zafin jiki na injin. Haka kuma, jingin bel na kwamforen da ya gaza ta iya sassauta don ke lalacewa babbake. Renault ta yi kokari don gyara wadannan matsaloli, amma injin ainihin ya kasance mara dogara.

Idan kana nazarin siyan mota mai amfani da waw a daya daga cikin wadannan injin, ya kamata a sa ido sosai a kan labarun gyara motar da ka dubawa yadda man ke tafiyarwa da aikin bel na kwamforen. Idan ba haka ba, za ku iya fuskantar kudade masu yawa don gyara.