P0140 Rashin aiki a da'irar firikwensin oxygen (B2S1)

OBD-II Lambar Matsala - P0140 - Takardar Bayanai

• P0140 Rashin aiki a da'irar firikwensin oxygen (B2S1)
• Babu aiki a cikin da'irar firikwensin (block 1, firikwensin 2)

Menene ma'anar DTC P0140?

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.

Tsarin sarrafa wutar lantarki (PCM) yana ba da bayanin 45 V zuwa firikwensin oxygen. Lokacin da firikwensin O2 ya kai zafin zafin aiki, yana haifar da ƙarfin lantarki wanda zai bambanta dangane da iskar oxygen na iskar gas. Lean exhaust yana haifar da ƙaramin ƙarfin lantarki (ƙasa da 45 V), yayin da shaye shaye mai ƙarfi yana haifar da babban ƙarfin lantarki (fiye da 45 V).

Na'urorin firikwensin O2 akan takamaiman banki, wanda aka yiwa lakabi da "firikwensin 2" (kamar wannan), ana amfani da su don saka idanu akan hayaki. Ana amfani da tsarin kuzari uku (TWC) (catalytic converter) don sarrafa iskar gas. PCM yana amfani da siginar da aka karɓa daga firikwensin oxygen 2 ( # 2 yana nuna baya na mai juyawa, # 1 yana nuna mai juyawa) don tantance ingancin TWC. Yawanci wannan firikwensin zai canza tsakanin babba da ƙaramin ƙarfin lantarki sannu a hankali fiye da firikwensin gaba. Wannan yayi kyau. Idan siginar da aka karɓa daga baya (# 2) firikwensin O2 yana nuna cewa ƙarfin lantarki ya makale a cikin kewayon 425 V zuwa 474 V, PCM yana gano cewa firikwensin baya aiki kuma yana saita wannan lambar.

Bayyanar cututtuka

Hasken Injin Bincike (CEL) ko Hasken Manuniya (MIL) zai haskaka. Wataƙila ba za a sami wasu abubuwan kulawa da aka sani ba ban da MIL. Dalilin shine wannan: firikwensin oxygen a bayan ko bayan mai jujjuyawar catalytic baya shafar samar da mai (wannan shine banbanci ga Chrysler). Yana kula da ingancin ingantaccen mai juyawa. A saboda wannan dalili, wataƙila ba za ku lura da matsalolin injin ba.

• Mai nuna alama yana haskakawa yana nuna matsala.
• Injin mai aiki mai ƙarfi
• Jinkiri (lokacin hanzari bayan lokacin raguwa)
• ECM ta rasa ikonta na kula da daidaitaccen rabon iska/man fetur a cikin tsarin man fetur (wannan na iya haifar da alamun tuƙi marasa kuskure).

Abubuwan da suka dace don P0140 code

Dalilan bayyanar lambar P0140 ba su da yawa. Suna iya zama ɗaya daga cikin masu zuwa:

• Short Circuit a cikin kewayon hita a cikin firikwensin O2. (Yawancin lokaci yana buƙatar maye gurbin fuse circuit hita shima a cikin akwatin fuse)
• Short circuit a cikin siginar siginar a cikin firikwensin O2
• Narke mai haɗa kayan doki ko wayoyi saboda saduwa da tsarin shaye shaye
• Shigar da ruwa cikin mai haɗa kayan haɗin waya ko mai haɗa PCM
• PCM mara kyau

Matsaloli masu yuwu

Wannan matsala ce takamaimai kuma bai kamata ta yi wuyar ganewa ba.

Fara injin farko da dumama shi. Tare da kayan aikin dubawa, lura da Bankin 1, Sensor 2, O2 Sensor Voltages. Yawanci, ƙarfin lantarki yakamata ya canza sannu a hankali sama da ƙasa da 45 volts. Idan haka ne, wataƙila matsalar na ɗan lokaci ne. Za ku jira har sai an gano matsalar kafin ku iya gano ta daidai.

Koyaya, idan bai canza ba ko ya makale, bi waɗannan matakan: 2. Tsaya abin hawa. A gani duba bankin1,2 mai haɗa kayan haɗin gwiwa don narkewa ko abrasion a cikin kayan doki ko mai haɗawa. Gyara ko sauyawa kamar yadda ya cancanta 3. Kunna wuta, amma kashe injin. Cire haɗin mai haɗa firikwensin O2 kuma bincika don 12 volts a kan wutar wutar lantarki da kuma ingantaccen ƙasa akan filin kewaye mai hita. amma. Idan babu ƙarfin hita na 12V, duba don madaidaicin fuse kewaye. Idan an hura fuse kewaye mai hita, ana iya ɗauka cewa mabuɗin ɓoyayyen a cikin firikwensin o2 yana haifar da fuse circuit hita. Sauya firikwensin da fis da sake dubawa. b. Idan babu ƙasa, bincika kewaye kuma tsaftace ko gyara da'irar ƙasa. 4. Sannan, ba tare da sakawa a cikin mai haɗawa ba, bincika 5V akan da'irar tunani. Idan ba haka ba, bincika 5V akan mai haɗin PCM. Idan 5V yana nan a mai haɗin PCM amma ba a haɗin haɗin haɗin firikwensin o2 ba, akwai buɗe ko gajarta a cikin waya mai tunani tsakanin PCM da mai haɗa firikwensin o2. Koyaya, idan babu 5 volts akan mai haɗin PCM, PCM tabbas yana da lahani saboda gajeriyar hanyar ciki. Sauya PCM. ** (NOTE: A kan samfuran Chrysler, matsalar gama gari ita ce cewa kowane siginar a cikin abin hawa da ke amfani da siginar siginar 5V za a iya takaita madaidaiciyar madaidaiciyar madaidaiciyar hanyar. firikwensin da kuka yanke shine ɗan gajeren firikwensin, wanda zai maye gurbinsa yakamata ya cire ɗan gajeren zango na 5V.) 5. Idan duk ƙarfin lantarki da filaye suna nan, maye gurbin firikwensin Unit 5 O5 kuma maimaita gwajin.

YAYA AKE YIWA KODON MAGANIN MECHANIC P0140?

• Yana bincika lambobi da takardu, yana ɗaukar bayanan firam
• Yana lura da bayanan firikwensin O2 don ganin ko ƙarfin lantarki yana motsawa sama ko ƙasa 410-490mV.
• Yana lura da bayanan firikwensin MAF don amsa canje-canjen magudanar bisa ga ƙayyadaddun bayanai.
• Yana bin takamaiman gwaje-gwajen tabo na masana'anta don ƙara tantance lambar (gwaji sun bambanta tsakanin masana'antun)

Kurakurai na yau da kullun lokacin gano lambar P0140?

• Kafin maye gurbin firikwensin O2, duba yawan firikwensin kwararar iska don lalacewa da gurɓatawa.

Rashin mayar da martani na firikwensin O2 na iya haifar da gurɓataccen na'urar firikwensin iska mai yawa kuma ba ƙididdige adadin iskar da ke shiga injin a gefen ci ba.

YAYA MURNA KODE P0140?

• Wannan lambar na iya kasancewa da alaƙa da matsaloli tare da firikwensin iska mai yawa, wanda ya zama dole don ƙididdige adadin iskar da ke shiga injin daidai. Tare da na'urori masu auna firikwensin O2, gazawar kowane ɗayan waɗannan abubuwan zai sa ECM ta yi kuskuren ƙididdige ƙimar iskar da man fetur zuwa injin.
• ECM na iya rasa iko ko karɓar bayanan da ba daidai ba daga na'urori masu auna firikwensin kamar babban firikwensin iska ko firikwensin O2 idan suna cikin ƙayyadaddun bayanai amma ba daidai ba.

Waɗannan matsalolin na iya haifar da rashin jin daɗin tuƙi na ɗan lokaci wanda zai iya lalata amincin direba.

WANE GYARA ZA SU IYA GYARA CODE P0140?

Bayan dubawa da share duk lambobin kuskure da tabbatar da kuskuren:

• Bincika firikwensin O2 don ganin ko ya canza yayin da cakuda man fetur ke samun wadata.
• Bincika firikwensin kwararar iska don ingantaccen karatu daidai da ƙayyadaddun bayanai
• Sauya firikwensin O2 idan ya datti ko ya kasa gwajin.
• Sauya babban firikwensin kwararar iska idan ya ƙazantu ko ya kasa gwajin.
• Tsaftace firikwensin kwararar iska don ganin ko karatun ya canza.

KARIN BAYANI GAME DA LABARAN P0140

Rashin amsawa daga firikwensin O2 na iya zama saboda gurbataccen firikwensin MAF tare da abubuwa kamar mai daga matatar iska mai jike da mai, kamar duk na'urori masu auna firikwensin. Wannan man yana rufe firikwensin kuma zai iya sa ya zama kuskure. Tsaftace firikwensin na iya magance matsalar.

P0140 ✅ ALAMOMIN DA GYARAN MAGANI ✅ - OBD2 Laifin Laifin

Kuna buƙatar ƙarin taimako tare da lambar ku ta p0140?

Idan har yanzu kuna buƙatar taimako tare da DTC P0140, 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.