P0068 MAP/MAF - Daidaita Matsayin Maƙura

OBD-II Lambar Matsala - P0068 - Takardar Bayanai

MAP/MAF - Daidaita Matsayin Maƙura

Menene ma'anar lambar kuskure 0068?

Wannan Lambar Matsalar Bincike (DTC) lambar watsawa ce gaba ɗaya. Ana ɗaukarsa ta duniya kamar yadda ta shafi duk kera da ƙirar abin hawa (1996 da sabuwa), kodayake takamaiman matakan gyara na iya bambanta kaɗan dangane da ƙirar.

Lambar kuskure gaba ɗaya P0068 yana nufin matsala tare da sarrafa injin. Akwai rashin daidaituwa tsakanin na'urori masu auna firikwensin na kwamfuta tsakanin adadin iskar da ke shigowa da yawa.

PCM ya dogara da na'urori masu auna firikwensin uku don nuna ƙimar iska don lissafin man fetur da dabarun lokaci. Waɗannan na'urori masu auna firikwensin sun haɗa da firikwensin kwararar iska mai yawa, firikwensin matsayin maƙura, da firikwensin matsi da yawa (MAP). Akwai na'urori masu auna firikwensin akan injin, amma uku suna da alaƙa da wannan lambar.

Na'urar firikwensin iska mai yawan gaske yana tsakanin mai tsabtace iska da jikin magudanar ruwa. Ayyukansa shine siginar yawan iskar da ke wucewa ta cikin ma'aunin ma'aunin. Don yin wannan, wani siririn waya na juriya mai kauri mai kauri kamar gashi ana jan shi ta mashigar firikwensin.

Kwamfuta tana amfani da wutar lantarki zuwa wannan waya don dumama ta zuwa zafin da aka ƙaddara. Yayin da ƙarar iska ke ƙaruwa, ana buƙatar ƙarin ƙarfin lantarki don kula da zafin jiki. Sabanin haka, yayin da ƙarar iska ke raguwa, ana buƙatar ƙarancin ƙarfin lantarki. Kwamfuta ya gane wannan ƙarfin lantarki a matsayin alamar ƙarar iska.

Na'urar firikwensin matsayi tana hutawa a sabanin gefen maƙasudin a cikin maƙasudin. Lokacin rufewa, bawul ɗin maƙogwaron yana hana iska shiga injin. Iskar da ake buƙata don zaman banza ta ƙetare bawul ɗin maƙera ta amfani da motar gudu mara aiki.

Yawancin samfuran mota daga baya suna amfani da firikwensin matsayin matattakalar bene a saman ƙwallon hanzari. Lokacin da fatar take baƙin ciki, firikwensin da aka haɗe da shi yana aika ƙarfin lantarki zuwa motar lantarki, wanda ke sarrafa buɗe bututun maƙura.

A cikin aiki, firikwensin matsayi na maƙura ba kome ba ne face rheostat. Lokacin da ma'aunin ma'aunin ya kasance a wurin aiki, firikwensin matsayi na ma'aunin yana yin rajista sosai kusa da 0.5 volts, kuma idan an buɗe shi, kamar lokacin haɓakawa, ƙarfin lantarki yana tashi zuwa kusan 5 volts. Canjin daga 0.5 zuwa 5 volts yakamata ya zama santsi sosai. Kwamfutar injin ta gane wannan haɓakar ƙarfin lantarki azaman sigina da ke nuna adadin kwararar iska da saurin buɗewa.

Manifold Absolute Pressure (MAP) yana taka rawa biyu a wannan yanayin. Yana ƙayyade matsin lamba iri -iri, wanda aka gyara don yawan iska saboda zafin jiki, zafi da tsayi. Hakanan an haɗa shi da yawan cin abinci ta hanyar tiyo. Lokacin da bawul ɗin maƙogwaron ya buɗe ba zato ba tsammani, matsi mai yawa yana saukowa kamar ba zato ba tsammani kuma ya sake tashi yayin da iska ke ƙaruwa.

Kwamfutar sarrafa injin tana buƙatar duk waɗannan na'urori masu auna firikwensin don tantance daidai lokacin buɗaɗɗen injector da adadin lokacin ƙonewa da ake buƙata don kula da ƙimar mai 14.5 / 1. yi saitunan daidai kuma saita DTC P0068.

Cutar cututtuka

Wasu alamomin lambar P0068 da direba zai iya fuskanta na iya haɗawa da rashin jin daɗin injuna a lokacin kiliya da raguwa, asarar wutar lantarki saboda iska mai yawa wanda zai iya shiga tsarin, wanda zai iya rinjayar rabon iska / man fetur, kuma a fili duba alamar injin.

Alamomin da aka nuna don lambar P0068 za su dogara ne a kan abin da ya yi yawa:

• Injin Sabis ko Hasken Injin Duba zai haskaka.
• Rough Engine - Kwamfutar za ta saita lambar da ke sama da ƙarin lambobin da ke nuna kuskuren firikwensin idan matsalar lantarki ce. Ba tare da iskar da ta dace ba, injin ɗin zai yi aiki a cikin matsananciyar rashin aiki kuma, dangane da tsananin, maiyuwa ba zai yi sauri ba ko kuma ya sami matsala mai tsanani. matattu zone a zaman banza. A taƙaice, zai yi aiki a hankali

Abubuwan da suka dace don P0068 code

Dalili mai yiwuwa na wannan DTC:

• Vacuum yana zuƙowa a tsakanin firikwensin MAF da ɗimbin yawa da buɗaɗɗen buɗaɗɗen ruwa
• Datti mai tsabtace iska
• Ragewa a cikin abubuwan da ake ci ko sassan
• Raunin firikwensin
• Coked port tashar bayan maƙura
• Masu haɗin wutar lantarki mara kyau ko gurɓatattu
• Toshewar iska
• Lalacewar jikin maƙwabcin lantarki
• An toshe tiyo daga yawan ci zuwa cikakken firikwensin matsin lamba na gas
• Kuskuren firikwensin kwararar iska ko kuma wayoyi masu alaƙa
• Kuskuren ci iri-iri na cikakken firikwensin matsa lamba ko wayoyi masu alaƙa
• Zubar da ciki a cikin nau'in sha, tsarin shan iska, ko jikin magudanar ruwa.
• Sake-sake ko lalacewar haɗin lantarki mai alaƙa da wannan tsarin.
• Kuskure ko kuskuren shigar firikwensin matsayi na bawul ko wayoyi masu alaƙa

Matakan bincike da hanyoyin magance su

A matsayin makanikin mota, bari mu fara da mafi yawan matsalolin. Kuna buƙatar na'urar volt/ohmmeter, ma'aunin ramin naushi, gwangwani na injin carburetor, da gwangwanin mai tsabtace iska. Gyara duk wata matsala yayin da kuka samo su kuma fara motar don sanin ko an gyara matsalar - idan ba haka ba, ci gaba da hanyoyin.

Tare da injin a kashe, buɗe murfin kuma duba abubuwan tace iska.

Nemo shirye -shiryen shirye -shiryen da ba a so ko ɓarna a cikin layi daga firikwensin MAF zuwa jikin maƙura.

Bincika duk lamuran injin a kan abubuwan amfani da yawa don toshewa, fasa, ko sassaucin da zai iya haifar da asarar injin.

Cire kowane firikwensin kuma duba mai haɗawa don lalata da fitattun abubuwa ko lanƙwasa.

Fara injin kuma yi amfani da mai tsabtace carburetor don nemo magudanar ruwa mai yawa. Wani ɗan gajeren harbi na mai tsabtace carburetor akan zub da ruwan zai lura a hankali yana canza injin rpm. Ci gaba da fesawa a tsayin hannu don hana fesawa daga idanun ku, ko za ku koyi darasi kamar kama cat a jela. Ba za ku manta ba a gaba. Duba duk hanyoyin haɗin yanar gizo da yawa don leaks.

Sake matsawa akan bututun da ke haɗa yawan iskar iska zuwa jikin magudanar ruwa. Dubi jikin magudanar don ganin ko an lullube shi da coke, wani baƙar fata mai laushi. Idan haka ne, matsa bututun daga kwalbar shan iska tsakanin bututu da jikin magudanar ruwa. Zamar da nono a kan maƙarƙashiya kuma fara injin. Fara fesa har sai gwangwani ya ƙare. Cire shi kuma sake haɗa bututun zuwa jikin magudanar ruwa.

Duba yawan firikwensin kwararar iska. Cire mai haɗawa daga firikwensin. Kunna wuta tare da kashe injin. Akwai wayoyi guda uku, ƙarfin 12V, ƙasan firikwensin da sigina (yawanci rawaya). Yi amfani da jan gubar voltmeter don gwada mahaɗin volt 12. Rike baƙar waya a ƙasa. Rashin wutar lantarki - matsala tare da kunnawa ko waya. Shigar mai haɗawa kuma duba ƙasan firikwensin. Dole ne ya zama ƙasa da 100 mV. Idan firikwensin yana samar da 12V kuma baya da iyaka a ƙasa, maye gurbin firikwensin. Wannan shine ainihin gwajin. Idan bayan kammala duk gwaje-gwajen ya wuce kuma matsalar ta ci gaba, yawan iska na iya zama mara kyau. Duba shi akan kwamfuta mai hoto kamar Tech II.

Bincika aikin firikwensin matsayi na maƙura. Tabbatar an shigar da shi daidai kuma kullun sun matse. Wannan mai haɗin waya 5 - duhu shuɗi don sigina, launin toka don tunani XNUMXV, da baki ko lemu don PCM mara kyau waya.

– Haɗa jan waya na voltmeter zuwa blue siginar waya da baƙar waya na voltmeter zuwa ƙasa. Kunna maɓalli tare da kashe injin. Idan firikwensin ya yi kyau, to lokacin da aka rufe ma'aunin, za a sami ƙasa da 1 volt. Yayin da ma'aunin yana buɗewa, ƙarfin lantarki yana tashi a hankali zuwa kusan 4 volts ba tare da faɗuwa ba ko glitches.

Duba firikwensin MAP. Kunna maɓallin kuma duba wayar sarrafa wutar lantarki tare da jan waya na voltmeter, da baƙar fata mai ƙasa. Tare da maɓalli da kuma kashe injin, ya kamata ya kasance tsakanin 4.5 da 5 volts. Fara injin. Ya kamata ya kasance tsakanin 0.5 da 1.5 volts dangane da tsayi da zafin jiki. Ƙara saurin injin. Ya kamata wutar lantarki ta amsa buɗaɗɗen maƙura ta faɗuwa da tashi kuma. Idan ba haka ba, maye gurbinsa.

Kurakurai na yau da kullun lokacin gano lambar P0068

Kuskure na yau da kullun a cikin bincika lambar P0068 na iya haɗawa da maye gurbin sassa a cikin wutan ko kunna wutar lantarki, ɗaukan kuskure shine matsalar, saboda hakan na iya haifar da injin yayi irin wannan. Wata gazawar gano wannan matsala na iya zama maye gurbin ɗaya ko fiye da na'urori masu auna firikwensin ba tare da duba ayyukansu ba kafin musanya su. Kafin gyara yana da matukar muhimmanci a duba duk kurakurai.

YAYA MURNA KODE P0068?

Lambar P0068 maiyuwa ba ta da mahimmanci don farawa, amma yana iya haifar da yanayin abin hawa mafi muni. Injin zai yi aiki har sai an gyara matsalar. Idan injin yana aiki na ɗan lokaci na ɗan lokaci, lalacewar injin na iya haifar da lalacewa. Muna ba da shawarar ku gano matsalar kuma ku gyara ta da wuri-wuri don guje wa lalacewar injin.

WANE GYARA ZA SU IYA GYARA CODE P0068?

Gyaran da zai iya gyara lambar P0068 zai haɗa da:

• Daidaita hawa ko shigarwa na firikwensin kwararar iska mai yawa, babban firikwensin matsa lamba mai yawa ko firikwensin matsayi
• Sauya firikwensin MAF
• Sauyawa Matsakaicin Matsakaicin Matsakaicin Manifold
• Gyara ko maye gurbin wayoyi masu alaƙa da waɗannan firikwensin guda biyu.
• Gyara ɗigon ruwa

KARIN BAYANI GAME DA CODE P0068

Ana ba da shawarar cewa lambar P0068 a share da wuri-wuri saboda wannan lambar na iya shafar tattalin arzikin man fetur ɗin abin hawa. Idan akwai ɗigon ruwa, cakuda mai da iska ba zai yi daidai ba, yana sa injin ya yi aiki. Yayin da hakan ke haifar da injunan shan man fetur da yawa, hakanan yana haifar da asarar wutar lantarki, wanda hakan ke rage yawan man.

Menene lambar injin P0068 [Jagora mai sauri]

Kuna buƙatar ƙarin taimako tare da lambar ku ta p0068?

Idan har yanzu kuna buƙatar taimako tare da DTC P0068, 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.