P0138 Babban Sensor Circuit O2 (B1S2)

Bayanin Fasaha na OBD-2 - P0138

O2 Sensor Circuit High Voltage (Bank1, Sensor2)

P0138 lambar OBD-II ce ta gama gari wacce ke nuni da cewa firikwensin O2 na firikwensin banki 2 na firikwensin 1 ba shi da ƙaramin ƙarfin wutar lantarki da ke ƙasa da 1,2V na fiye da daƙiƙa 10, yana nuna rashin iskar oxygen a cikin rafi.

Menene ma'anar lambar kuskure P0138?

Wannan Lambar Matsalar Bincike (DTC) lambar watsawa ce gaba ɗaya, wanda ke nufin ya shafi motocin OBD-II sanye take. Kodayake gabaɗaya a cikin yanayi, takamaiman matakan gyara na iya bambanta dangane da alama / ƙirar.

Na'urar firikwensin iskar oxygen mai zafi (2) da ke bayan mai sauya catalytic yana ba da siginar fitarwa mai alaƙa da ƙarfin ajiyar iskar oxygen na mai juyawa. Bank 1 shine gefen injin da ke dauke da silinda #1.

Alamar Ho2S 2 ba ta da ƙarfi fiye da siginar firikwensin oxygen ta gaba. An saita wannan lambar lokacin da ƙarfin ƙarfin firikwensin HO2 ya wuce 999 mV sama da mintuna 2 (lokaci ya dogara da ƙirar. Yana iya zama har zuwa mintuna 4)

Cutar cututtuka

Maiyuwa ba za a iya samun alamun bayyanar ba sai dai hasken MIL. Matsalar man fetur mai yuwuwa na iya mamaye tsarin.

• Injin na iya yin aiki da ƙarfi yayin gwajin firikwensin don gyara matsalar kuma yana iya girgiza ko ɓarna.
• Hasken Duba Injin zai kunna.
• Kuna iya fuskantar al'amurran da suka shafi aikin injin dangane da dalilin gazawar yanayin arziki.

Dalilan kuskure P0138

Lambar P0138 na iya nufin ɗaya ko fiye daga cikin abubuwan da suka biyo baya sun faru:

• Raunin firikwensin O2
• Short circuit zuwa ƙarfin baturi a cikin siginar siginar O2
• Babban matsin mai (da wuya)
• Modul sarrafa injin (ECM) yana ganin cewa ƙarfin firikwensin O2 don firikwensin banki 2 na banki 1 ya fi 1,2 V lokacin da ECM ya ba da umarnin jinginar man da aka yi niyya akan bankin injin.
• ECM yana gano babban matsalar wutar lantarki kuma yana haskaka hasken Injin Duba.
• ECM tana amfani da wasu firikwensin O2 don gwadawa da sarrafa allurar mai tare da ƙimar su.

Matsaloli masu yuwu

Anan akwai wasu mafita:

• Sauya firikwensin O2
• Gyara gajarta zuwa ƙarfin baturi a cikin siginar siginar o2.

Ta yaya makaniki ke tantance lambar P0138?

• Yana duba bayanan daskare lambobin firam da takardu sannan yana share lambobi don tabbatar da gazawa.
• Yana lura da bayanan firikwensin O2 don ganin ko ƙarfin lantarki yana canzawa tsakanin ƙasa da babba a babban ƙimar idan aka kwatanta da sauran na'urori masu auna firikwensin.
• Yana duba hanyoyin firikwensin O2 da haɗin kai don lalata a haɗin.
• Yana duba firikwensin O2 don lalacewar jiki ko gurɓataccen ruwa.
• Bincika don fitar da hayaki a gaban firikwensin.
• Yana bin takamaiman gwaje-gwajen tabo na masana'anta don ƙarin ganewar asali.

Kurakurai na yau da kullun Lokacin gano lambar P0138

Bi waɗannan ƙa'idodi masu sauƙi don hana rashin ganewar asali:

• Ana iya amfani da Bank 2 O1 Sensor 1 don tantance Bank 2 O2 Sensor 1 ta hanyar kwatanta aikin na'urori biyu. Aiki ya kamata ya zama iri ɗaya, sai dai firikwensin 2 yakamata ya sami ƙaramin karatun O2 kamar yadda mai kara kuzari ya ƙone mai da iskar oxygen.
• Bincika firikwensin O2 don samun gurbataccen mai ko mai sanyaya daga duk wani ɗigon inji.
• Bincika mai juyawa don lalacewa ko toshewa, wanda zai iya haifar da kuskuren karatun firikwensin.

Yaya muhimmancin lambar P0138?

• Wutar wutar lantarki na firikwensin O2 na iya zama saboda lalatawar mai canza ma'anar, wanda zai iya haifar da firikwensin O2 don samar da babban ƙarfin fitarwa.
• Maiyuwa ECM ɗin bazai sarrafa daidaitaccen man fetur/matsayin iskar injin ɗin ba, yana haifar da ɓarna mai jujjuyawar kuzari da yawan ajiyar carbon da ke cikin injin tare da ƙazantattun matosai.

Menene gyara zai iya gyara lambar P0138?

• Bank 2 Sensor 1 O2 Sauya Sensor
• Gyara ko maye gurbin wayoyi ko haɗin kai zuwa bankin firikwensin O2 1 firikwensin 2
• Maye gurbin mai kara kuzari a gaban firikwensin
• Gyaran bututun ruwa mai zubewa

Ƙarin sharhi don la'akari game da lambar P0138

Babban yanayin ƙarfin lantarki daga firikwensin O2 yana nuna ƙarancin iskar oxygen a cikin shaye-shaye ko wasu matsalolin da ke da alaƙa kamar ƙwanƙwasa mai ɗigon man fetur ko ɓarna mai canzawa a ciki.

Yadda ake Gyara Lambar Injin P0138 a cikin Minti 3 [Hanyoyin DIY 2 / Kawai $ 8.99]

Kuna buƙatar ƙarin taimako tare da lambar ku ta p0138?

Idan har yanzu kuna buƙatar taimako tare da DTC P0138, aika tambaya a cikin sharhin da ke ƙasa wannan labarin.

NOTE. An ba da wannan bayanin don dalilai na bayanai kawai. Ba a yi nufin amfani da shi azaman shawarar gyara ba kuma ba mu da alhakin duk wani mataki da za ku ɗauka a kan kowane abin hawa. Duk bayanan da ke wannan shafin ana kiyaye su ta haƙƙin mallaka.