Yaya za a saƙa Manifold na Intake na Motor?

Matsayin muhimmanci na nuna karamin tashin fassara

Karamin tashin fassara, sautin gaba daya, da koda mai yawa (P0171/P0174) daga karamin tashin fassara

Yaduwa a lokacin da intake manifold ya faru da kuskure, masu tsayi suna gani kuskuren da ke zama ƙarfi ko kuma ba su da kuskure, wanda ke taka cikin yadda ake amfani da shi, kafin yadda ake amfani da shi, yayi kadan kadan daga 250 rpm. Babban sabon da ke ciki ne vacuum leaks a wani bangaren na system. Wadannan leaks suna ba da ido ga abin da ke taka cikin intake, wanda ke saba da kuskuren da ke taka cikin yadda ake amfani da shi a wani bangaren na engine, kuma yana gyara da air-fuel mixture da ke cikin kuskure. Don haka, oxygen sensors suna gani wannan kuskure kuma suna baiwa warning signals kamar code P0171 don Bank 1 ko P0174 don Bank 2. Masu sayarwa suna gani wannan code ta hanyar fuel trim readings wanda suka taka cikin +10%. Cracked plastic components ko gaskets da suka rufe ne babban sabon da ke ciki. Idan kuma babban sabon ne, computer na karu ya zama da kuskure da ke baiwa abin da ba za a amfani da shi, wanda ke taka cikin catalytic converter kuma yana nufin abin da ke taka cikin exhaust pipe.

Kurkure na coolant, yin kari, da fadu mai kyau daga ƙarfi na gasket

Yadu da ake shiga cikin gasket na farko, coolant ya zama yana foforo daga kwayoyin intake manifold. Masu sayarwa suna gano wannan lokacin da suka gani abubuwan da suka dace a wajen otu ko suka gani sarrafa coolant a cikin reservoir ya zama yana yin karami a lokacin da aka fiye. Matsaloli suna zama mafi kyau idan coolant ya tashi a cikin combustion chambers ko oil galleries, wanda ke sauta otun ya runa mafi girma da yadda ake amfani da shi kuma ya haifar da matsalolin overheating a lokacin da aka fiye. Alama mai ban sha'a ce alama na mahallin da ta dace da maple syrup da ake samu daga exhaust pipe. Wannan yana daga sababbin ethylene glycol ya zama yana foforo, kuma shi ne alama mai ban sha'a da ake nuna cewa akwai abu da ba tare da kyau a cikin. Idan ba kowane abu a sanya, akwai yawa mai ban sha'a na hydrolock inda coolant ya tashi a cikin cylinders na otun a lokacin da aka fiye da compression strokes, wanda ke iya haifar da matsalolin mafi kyau ga kowane powertrain. Masu sayarwa masu kara ilmi suna amfani da cooling system pressure tests don gano wannan matsala a lokacin da aka fiye. Su san cewa idan coolant ya tashi a cikin engine oil, ya zama yana yin oil ya zama mafi rafu a lokacin da aka fiye, mara kadan a lokacin da aka fiye da 500 miles bayan foforon ya faru.

Kusursun Mota, Kusursun Kafin Daina, da Kusursun Kafin Daina Wajen Taimaka Ga Zaman Lissafi Saboda Kuskuren Bayan Arewa da Zama

Yana aiki da karamin gaskiya, karamin yankin da karamin gasket na karamin intaki, yana canza yadda hawa ta zo zuwa karamin silinda. Don haka, masu tsayi suna ga karamin kuskure na karamin kuskure wanda suka yi a lokacin da suke tsayi a cikin karamin yankin da karamin yankin. Amince ba ta daga wannan kuma. Wadannan halayen suna canza sistan na vakuum a cikin kotarun kuma, wanda ke bayyana saboda wani kotarun ya tashi a lokacin da ya zama a cikin karamin yankin ko a lokacin da ya zama a cikin karamin RPM. Karamin mutane wadanda suka zo suka bai wa kotarunsu suka nuna karamin kuskure na throttle da karamin kuskure na kuskure na kuskure. Wannan yana aiki ne domin karamin sensor na mass airflow ya kusanta a cikin karamin hawa wanda ta zo zuwa engine. Wani abu wanda ya fi kyau shine yadda computer na kotarun ta aiki da wannan karamin kuskure. A wasu lokaci, ta zama a cikin karamin kuskure na fuel injector a lokacin da ta zama a cikin karamin gear ko a lokacin da ta zama a cikin karamin bukata. Kuma kada ka samu kamar da karamin kuskure idan ka ga karamin kuskure na black smoke da ta zo daga karamin tailpipe bayan ka fara engine na karamin cold. Wannan yana aiki ne domin karamin abubuwan da suka yi a cikin engine suna yi karamin kuskure da karamin abubuwan da suka yi a cikin engine domin karamin kuskure na lean mixture condition.

Tashar Tattaunin Bayanin Karamin Intake Manifold

Fahimtar Bayanan OBD-II: Karamin Kwambo, Freeze Frame, da DTCs na Intake (misali: P2004, P2015)

Ku bi da kuma ku duba ma'ajin OBD-II yana ba mu alama mai kyau akan hali na intake manifold. Idan mu dumi da long term fuel trims suka ci gaba daya daga cikin 10% ko kuma a matsayin ƙananen 10%, wannan shine yanzu ya zama alama na abin da ke saurin kariya ta fuskanci (unmetered air) ta shiga a wani baya da ke ciki. A karkara, wannan yana faruwa saboda fuskanci na vacuum a yadda intake manifold ke ciki. Alama mai kyau ne shine diagnostic trouble codes da suka hada da intake system. Code P2004 yana nufin cewa intake manifold runner control ya kawo a tsaki (stuck in the open position), amma code P2015 yana nufin cewa akwai matsala da runner position sensor. Freeze frame data yana rubutawa dukkanin lambobi da suka fiye da mahimmanci kamar RPM, engine load, da yadda uku (temperature) lokacin da matsala ta faru. Masu sayarwa suna iya samun kuma bayyana matsaloli kamar yadda otu ya taka (car hesitating) lokacin da aka taka (accelerating), wanda shine yana saita ayyukan samun abin da ke saurin matsala a cikin otu.

Samun Fuskanci na Fisikal: Smoke Testing vs. Carb Cleaner Method don Samun Fuskanci na Vacuum da Kariya na Coolant

Hanyoyi biyu da aka tabbatar sun tabbatar da mutuncin jiki:

• Gwajin hayaki : Yana gabatar da tururi mara guba, mai ganuwa a ƙananan matsin lamba (0.51 PSI) don amintacce da kuma gano ɓarkewar ɓoyewa har ma da ƙananan karaya a cikin mahaɗan mahaɗan. Ana daukarsa a matsayin misali na zinariya don gano ɓoyayyen waje.
• Hanyar tsabtace carbohydrate : Fitar da mai tsabtace carburetor kusa da wuraren da ake zargi yayin lura da RPM na idle na iya bayyana ɓarna ta hanyar ƙaruwar RPM na ɗan lokaciamma yana haifar da haɗarin wuta kusa da sassan fitarwa mai zafi kuma baya ba da haske game da amincin hanyar sanyaya ta ciki.

Don zargin ɓoyewar ruwan sanyi na ciki, matsa lamba na tsarin sanyaya zuwa 1520 PSI yana gano ɓarna na gasket kafin gurɓata ya faru. Hakanan masu rarraba aluminum suna buƙatar tabbatar da daidaito: warpage ya wuce 0.004" a fadin fuskokin hatimi yana haifar da maimaita gazawar gasket.

Sauyawa da Gyara: Sanin Lokacin da Yake da Muhimmanci

Rashin Tsarin: Aluminum da ya fashe, Ya karye, ko kuma ya lalace wanda ya ɓata amincin kayan da ake sakawa

Kwayoyin aluminum suna kara gaba da kari, ko zama kwayoyin da suka fata daga tsawon yadda suka yi amfani da su, ko suka kara kari a cikin kwayoyin da suka yi amfani da coolant; waɗannan suna iya zama matsaloli mai kyau na kwayoyin da ba za a saita su daga baya. Idan wannan matsala ya faru, yana zama sababbin kari na hawa a cikin shakara, wanda yana iya taka 20% na hawa ta fito, wanda shine yana kara matsala ga tsarin vacuum na engine. Kullum suka yi weld ba suka yi amfani da su daga baya saboda su ba su dace da asali na tsarin thermal, kuma suka taka kari a cikin lokacin 6 zuwa 12 watan. Wannan yana daidai ne ga matsalolin kari na kwayoyin idan ya taka kwayoyin da suka yi amfani da coolant ko ya kara kari a cikin kwayoyin da suka yi amfani da EGR, ba za a tabbata kari na coolant, motor oil, da gas na exhaust. A wani lokaci, saita kwayoyin na farko shine yana zama abin da ke ciki na farko don gudanen engine da kyau da kari.

• Kari suka fi 2 mm na gaba ko suka taka kwayoyin da suka yi amfani da kari na farko
• Kwayoyin suka fi kwayoyin da suka yi amfani da OEM (kamar yadda ake amfani da >0.3 mm)
• Corrosion ya perforated sanyaya hanyoyin ko halitta hanyoyi tsakanin ruwa tsarin

Binciken masana'antu ya nuna kashi 92% na gogaggun masu fasaha suna ba da shawarar sauyawa maimakon gyara don waɗannan yanayinfifikon OEM ko ingantattun kayan tallafi don tabbatar da daidaiton girma, mutuncin kayan aiki, da dogaro na dogon lokaci.

Sashen Tambayoyi

Waɗanne alamun cututtuka ne ke faruwa idan wani mai karɓar ruwa ya kasa?

Alamomin da aka saba gani sun hada da rashin aiki, sautin murya, lambobin mai rauni (P0171/P0174), zubewar ruwan sanyaya, zafi, hayaƙin ƙanshi, ƙarancin injin, tsayawa, da jinkirin hanzari.

Ta yaya zan iya ganewa da matsaloli na sha?

Kuna iya gano matsaloli ta hanyar bincika bayanan OBD-II don kayan aikin mai da takamaiman lambobin matsala na bincike, da kuma amfani da hanyoyin gano ɓarkewar jiki kamar gwajin hayaki da hanyar tsabtace carbohydrate.

Yaushe zan maye gurbin mai karɓar injin na maimakon gyara shi?

An ya sa kuma a saba da shi ne don gudan yadda aka samu fahimtar hanyar tashin aluminiam, kafin kafin wani abu ko tsanani da ke haifar da kariya ga manifolddi. A wadannan halayi, an kara gudan yadda akwai kariya.