P0159 OBD-II Lambar matsala: Oxygen Sensor (Banki 2, Sensor 2)

P0159 - bayanin fasaha

Oxygen (O2) amsa firikwensin (banki 2, firikwensin 2)

Menene ma'anar DTC P0159?

Lambar P0159 lambar watsawa ce da ke nuna matsala tare da takamaiman firikwensin a cikin tsarin shaye-shaye (bankin 2, firikwensin 2). Idan firikwensin oxygen yana jinkirin, yana iya zama alamar cewa ba shi da kuskure. Wannan firikwensin firikwensin yana da alhakin sa ido kan yadda ya dace da fitar da hayaki.

Wannan Lambar Matsala ta Gano (DTC) gama gari ce don watsawa kuma tana aiki ga motocin da ke da tsarin OBD-II. Duk da yanayin gabaɗaya na lambar, ƙayyadaddun gyare-gyaren na iya bambanta dangane da ƙira da ƙirar abin hawa. Muna magana ne game da na'urar firikwensin oxygen na baya a gefen fasinja na dama. "Bank 2" yana nufin gefen injin da ba shi da silinda #1. "Sensor 2" shine firikwensin na biyu bayan barin injin. Wannan lambar tana nuna cewa injin ɗin baya sarrafa cakudawar iska/man fetur kamar yadda ECM ko siginar firikwensin iskar oxygen ya zata. Wannan na iya faruwa duka yayin da injin ke dumama da kuma lokacin aiki na yau da kullun.

Menene alamun lambar matsala P0159

Wataƙila ba za ku lura da wata matsala ba game da yadda abin hawan ku yake, kodayake wasu alamun na iya faruwa.

Duba Hasken Injin: Babban aikin wannan hasken shine auna hayaki kuma baya da tasiri sosai akan aikin abin hawa.

Wannan firikwensin firikwensin iskar oxygen ne na ƙasa, ma'ana yana samuwa ne bayan mai canza yanayin. Kwamfuta tana amfani da ƙananan firikwensin iskar oxygen don kimanta aikin mai kara kuzari da na'urori masu auna firikwensin sama don ƙididdige cakuda mai-iska.

Bayanan Bayani na P0159

Lambar P0159 na iya nuna ɗaya ko fiye na masu zuwa:

1. Na'urar firikwensin oxygen ba daidai ba ne.
2. Lalacewa ko chafing na firikwensin wayoyi.
3. Kasancewar kwararar iskar gas.

Wannan lambar tana saita idan firikwensin oxygen ya daidaita a hankali. Ya kamata ya motsa tsakanin 800 mV da 250 mV don 16 hawan keke a kan 20 seconds. Idan firikwensin bai cika wannan ma'auni ba, ana ɗaukar shi kuskure. Wannan yawanci saboda shekaru ko gurɓata na'urar firikwensin.

Ƙirar ƙura kuma na iya haifar da wannan lambar. Duk da sanannen imani, ɗigon shaye-shaye yana tsotse iskar oxygen kuma yana dilutes ɗin da ke gudana, wanda kwamfutar za ta iya fassara shi azaman na'urar firikwensin iskar oxygen mara kyau.

Na'urar firikwensin yana da wayoyi hudu da da'irori biyu. Idan ɗaya daga cikin waɗannan da'irori ya gajarta ko yana da tsayin daka, yana iya haifar da saita wannan lambar saboda irin waɗannan yanayi na iya shafar aikin firikwensin oxygen.

Yadda za a tantance lambar P0159?

Bulletin Sabis na Fasaha (TSBs) sun cancanci bincika takamaiman matsalolin da suka shafi ƙira da shekarar ƙirar abin hawan ku.

Kwamfuta ce ta saita wannan lambar bayan gudanar da takamaiman gwaje-gwaje. Don haka, ƙwararren da ya gano abin hawa kuma ya sami wannan lambar zai duba yawan leaks kafin ya maye gurbin na'urar firikwensin (Bank 2, Sensor 2).

Idan ana buƙatar ƙarin cikakken gwaji, akwai hanyoyi da yawa don yin ta. Mai fasaha zai iya shiga kai tsaye zuwa da'irar firikwensin oxygen kuma ya lura da aikinsa ta amfani da oscilloscope. Ana yin wannan yawanci yayin gabatar da propane a cikin abin sha ko ƙirƙirar ɗigon ruwa don saka idanu kan martanin firikwensin iskar oxygen ga yanayin canzawa. Ana yawan haɗa waɗannan gwaje-gwajen tare da injin gwaji.

Ana iya yin gwaje-gwajen juriya ta hanyar cire haɗin haɗin firikwensin iskar oxygen daga wayar abin hawa. Ana yin hakan wani lokaci ta hanyar dumama na'urar firikwensin don kwaikwayi yanayin da zai fuskanta lokacin shigar da shi a cikin na'urar bushewa.

Kurakurai na bincike

Rashin gano wasu matsalolin kamar ɗigogin shaye-shaye, ɗigon ruwa ko ɓarna ba sabon abu ba ne. Wasu lokuta wasu matsalolin na iya zama ba a lura da su ba kuma ana iya ɓacewa cikin sauƙi.

Na'urorin firikwensin oxygen na ƙasa (na'urori masu auna sigina bayan mai canzawa) an ƙirƙira su don taimakawa tabbatar da abin hawan ku ya cika ka'idojin fitar da hayaki na EPA. Wannan firikwensin iskar oxygen ba wai kawai yana lura da ingancin mai kara kuzari ba, har ma yana yin gwaje-gwaje don tabbatar da ingancinsa.

Tsayayyen yanayin waɗannan gwaje-gwajen yana buƙatar duk sauran tsarin suyi aiki daidai ko kuma sakamakon na iya zama kuskure. Don haka, kawar da yawancin lambobi da alamomi yakamata a fara la'akari da su.

Yaya girman lambar matsala P0159?

Wannan lambar tana da ɗan tasiri akan tuƙi na yau da kullun. Wannan ba matsala ba ce da zata buƙaci kiran babbar motar ja.

Mummunan matsalar dumamar yanayi ne ya haifar da bullo da irin wannan tsarin kuma Hukumar Kare Muhalli tare da masana'antar kera motoci ne suka yi.

Menene gyara zai gyara lambar matsala P0159?

Mataki mafi sauƙi shine sake saita lambar kuma duba idan ya dawo.

Idan lambar ta dawo, mai yiwuwa matsalar ta kasance tare da firikwensin oxygen na baya na gefen fasinja. Kuna iya buƙatar maye gurbinsa, amma kuma la'akari da mafita masu zuwa:

1. Bincika kuma gyara duk wani ɗigon shaye-shaye.
2. Bincika wayoyi don matsaloli (gajerun kewayawa, wayoyi masu ɓarna).
3. Duba mita da girman siginar firikwensin oxygen (na zaɓi).
4. Duba yanayin firikwensin iskar oxygen, idan yana sawa ko datti, maye gurbinsa.
5. Bincika yatsan iska a wurin sha.
6. Duba aikin firikwensin kwararar iska.

Mafi na kowa bayani zai zama maye da aka ce oxygen firikwensin (banki 2, firikwensin 2).

Gyara shaye-shaye kafin maye gurbin firikwensin iskar oxygen.

Ana iya gano wayoyi da suka lalace a cikin kewayen firikwensin oxygen kuma yakamata a gyara su. Waɗannan wayoyi galibi suna da kariya kuma suna buƙatar kulawa ta musamman lokacin haɗawa.

Yadda ake Gyara Lambar Injin P0159 a cikin Minti 3 [Hanyoyin DIY 2 / Kawai $ 8.34]

Ƙarin sharhi game da lambar kuskure P0159

Bank 1 shine saitin silinda wanda ya ƙunshi lamba ɗaya.

Bank 2 rukuni ne na silinda wanda bai haɗa da lamba ɗaya ba.

Sensor 1 shine firikwensin da ke gaban mahaɗar catalytic wanda kwamfutar ke amfani da ita don ƙididdige adadin man fetur.

Sensor 2 firikwensin firikwensin da ke bayan mai canzawa kuma ana amfani dashi da farko don sa ido kan hayaki.

Domin abin hawa ya gwada aikin Sensor 2, dole ne a cika waɗannan sharuɗɗan. Wannan hanyar gano kuskure na iya bambanta tsakanin masana'anta kuma ana amfani da ita a ƙarƙashin yanayi masu zuwa:

1. Motar tana tafiya cikin sauri tsakanin mil 20 zuwa 55 a cikin sa'a.
2. Makullin yana buɗewa na aƙalla daƙiƙa 120.
3. Yanayin aiki ya wuce 70 ℃ (158 ℉).
4. A catalytic Converter zafin jiki ya wuce 600 ℃ (1112 ℉).
5. An kashe tsarin fitar da hayaki.
6. An saita lambar idan ƙarfin firikwensin oxygen ya canza ƙasa da sau 16 daga mai arziki zuwa jingina tare da tazara na daƙiƙa 20.

Wannan gwajin yana amfani da matakai biyu na gano kuskure.