Kufotokozera kwa cholakwika cha P0408.
Mauthenga Olakwika a OBD2

P0408 Exhaust Gasi Recirculation Sensor "B" Input High

26.05.2022 /

P0408 - OBD-II Mavuto Code Kufotokozera

Khodi yamavuto P0408 ikuwonetsa kuti PCM yazindikira vuto ndi dongosolo la EGR. Pamene cholakwika ichi chikuwonekera pa dashboard ya galimotoyo, chizindikiro cha Check Engine chidzayatsa, komabe, ziyenera kukumbukiridwa kuti m'magalimoto ena chizindikiro ichi sichikhoza kuyatsa nthawi yomweyo, koma pokhapokha ngati cholakwikacho chadziwika kangapo.

Kodi cholakwika chimatanthauza chiyani P0408?

Khodi yamavuto P0408 ikuwonetsa vuto ndi dongosolo la exhaust gas recirculation (EGR). Khodi iyi imachitika pamene gawo lowongolera injini (PCM) limazindikira chizindikiro cholowera kwambiri kuchokera ku sensa ya EGR "B". Pamene cholakwika ichi chikuwonekera pa dashboard ya galimotoyo, chizindikiro cha Check Engine chidzayatsa, komabe, ziyenera kukumbukiridwa kuti m'magalimoto ena chizindikiro ichi sichikhoza kuyatsa nthawi yomweyo, koma pokhapokha ngati cholakwikacho chadziwika kangapo.

Ngati mukulephera P0408.

Zotheka

Zina mwazifukwa za vuto la P0408:

  • Vavu ya EGR yotsekedwa kapena yotsekedwa.
  • Kusagwira ntchito kwa manifold air pressure sensor.
  • Mavuto ndi dera lamagetsi lolumikiza valve ya EGR ku PCM.
  • Kuyika kolakwika kapena kusagwira bwino kwa valve ya EGR.
  • Mavuto ndi dongosolo la EGR palokha, monga kutayikira kapena kuwonongeka.

Kodi zizindikiro za cholakwika ndi chiyani? P0408?

Zizindikiro za DTC P0408 zingaphatikizepo izi:

  • Kuwala kwa Check Engine pa dashboard kumabwera.
  • Kutayika kwa mphamvu ya injini kapena kugwira ntchito mosagwirizana.
  • Kuchuluka mafuta.
  • Kuchuluka kwa mpweya wa nitrogen oxides (NOx) kuchokera ku utsi.
  • N'zotheka kuti galimotoyo sidzapambana mayeso a mpweya ngati pakufunika ndi malamulo am'deralo.

Momwe mungadziwire cholakwika P0408?

Kuti muzindikire DTC P0408, njira zotsatirazi zikulimbikitsidwa:

  1. Onani Kuwala kwa Injini Yoyang'ana: Ngati Kuwala kwa Injini Yoyang'ana kumawunikira pa dashboard yanu, gwirizanitsani galimotoyo ndi chida chowunikira kuti mupeze zizindikiro zolakwika ndi zambiri za vutoli.
  2. Onani kugwirizana ndi mawaya: Yang'anani momwe maulumikizidwe ndi mawaya alili okhudzana ndi dongosolo la Exhaust Gas Recirculation (EGR) la dzimbiri, kuwonongeka, kapena kusweka.
  3. Onani valavu ya EGR: Yang'anani valavu ya EGR kuti muwone zolakwika kapena zotchinga. Chotsani kapena kusintha valavu ngati kuli kofunikira.
  4. Onani masensa: Yang'anani masensa okhudzana ndi dongosolo la EGR, monga EGR valve position sensor ndi manifold pressure sensor, kuti agwire bwino ntchito.
  5. Onani kupanikizika kosiyanasiyana: Gwiritsani ntchito choyezera kuthamanga kuti muwone kupanikizika kosiyanasiyana pamene injini ikuyenda. Tsimikizirani kuti kukakamizidwa kochulukirachulukira kumayembekezeredwa kutengera momwe amagwirira ntchito.
  6. Yang'anani dongosolo lozizira: Yang'anani makina oziziritsa a injini kuti muwone zovuta zomwe zingayambitse kutentha kosiyanasiyana kotero kuti mupeze nambala ya P0408.
  7. Onani Vacuum Lines: Yang'anani mizere ya vacuum yolumikizidwa ndi valavu ya EGR kuti iwonongeke kapena kuwonongeka.
  8. Onani pulogalamu ya PCM: Ngati kuli kofunikira, sinthani pulogalamu yanu ya PCM kukhala yaposachedwa, chifukwa nthawi zina zosintha zimatha kukonza zovuta zodziwika ndi dongosolo la EGR.

Mukamaliza masitepewa, tikulimbikitsidwa kuti mulumikizanenso galimoto ndi scanner yowunikiranso ndikuchotsa zolakwikazo. Vutoli likapitilira ndipo nambala ya P0408 ibwereranso, kufufuza mozama kapena kukambirana ndi katswiri pangafunike.

Zolakwa za matenda

Mukazindikira DTC P0408, zolakwika zotsatirazi zitha kuchitika:

  • Kutanthauzira kolakwika kwa code yolakwika: Nthawi zina zimango zitha kutanthauzira molakwika khodi ya P0408 ndikuyamba kusintha zigawo zomwe zingakhale zabwino. Izi zitha kubweretsa ndalama zokonzetsera zosafunikira.
  • Matenda osakwanira: Kusagwira ntchito bwino mu dongosolo la Exhaust Gas Recirculation (EGR) kungayambitsidwe ndi zifukwa zingapo, ndipo matenda osayenera angapangitse kuti muzu wa vutoli usadziwike bwino.
  • Kudumpha diagnostics kwa zigawo zina: Nthawi zina makina amatha kuyang'ana pa valve ya EGR ndipo osayang'ana zigawo zina monga masensa, mawaya kapena kupanikizika kosiyanasiyana, zomwe zingayambitse matenda osakwanira.
  • Kusagwira ntchito kwa scanner kapena zida zowunikira: Nthawi zina zolakwika zimatha kuchitika chifukwa cha zida zowunikira zolakwika kapena scanner, zomwe zitha kutanthauzira molakwika manambala olakwika kapena kupereka chidziwitso cholakwika chokhudza momwe dongosololi liliri.
  • Zolakwika mu machitidwe ena: Nthawi zina kupanikizika kochuluka kapena mavuto a sensa angayambitse P0408 kuwonekera ngakhale valve ya EGR ikugwira ntchito bwino. Izi zitha kuphonya pakuzindikira.

Kuti mupewe zolakwika izi, ndikofunikira kuchita kafukufuku wokwanira womwe umaphatikizapo kuyang'ana magawo onse okhudzana ndi dongosolo la EGR, komanso kugwiritsa ntchito zida zodalirika komanso zamakono. Ngati ndi kotheka, ndi bwino kulumikizana ndi katswiri wamakanika kuti azindikire molondola ndikukonza vutolo.

Kodi zolakwika ndizovuta bwanji? P0408?

Khodi yamavuto P0408 ikuwonetsa zovuta ndi dongosolo la exhaust gas recirculation (EGR). Ngakhale izi sizikulephera kwakukulu, zingayambitse mavuto angapo, kuphatikizapo kuwonjezeka kwa mpweya wa nitrogen oxide, kuchepa kwa chilengedwe cha galimoto, ndi kuwonongeka kwa ntchito ndi mafuta.

Kuonjezera apo, nambala ya P0408 ingapangitse galimotoyo kulephera kuyesa mpweya, zomwe zingapangitse kuti zikhale zosayenera kuyenda ngati vuto silinakonzedwe.

Ngakhale nambala ya P0408 si vuto lalikulu kwambiri, imafunikirabe kusamala komanso kukonza nthawi yake kuti mupewe zovuta zina ndi galimoto.

Kodi kukonza kungathandize kuthetsa code? P0408?

Kuthetsa mavuto DTC P0408 nthawi zambiri kumaphatikizapo kukonzanso izi:

  1. Yang'anani kachitidwe ka exhaust gas recirculation (EGR) kuti mutseke kapena kuwonongeka.
  2. Chotsani kapena sinthani valve ya EGR ngati ma clogs apezeka.
  3. Yang'anani mawaya olumikiza ndi zolumikizira zomwe zimagwirizanitsidwa ndi valavu ya EGR kuti iwonongeke kapena kusweka.
  4. Kuyang'ana kuwerengera kwa masensa ndi masensa amphamvu ya mpweya mu dongosolo la EGR.
  5. Yang'anani kagwiritsidwe ntchito ka gawo lowongolera injini yamagetsi (ECM) pakuwonongeka kapena kulephera.
  6. Yeretsani kapena sinthani fyuluta mu dongosolo la EGR, ngati kuli kofunikira.
  7. Yang'anani mizere ya vacuum yokhudzana ndi valavu ya EGR kuti ikutha.

Mukamaliza izi, tikulimbikitsidwa kuti muyese zolakwika ndi kuwonongeka kuti muwonetsetse kuti vutoli lathetsedwa ndipo nambala ya P0408 sikuwonekanso. Ngati vutoli likupitilira, kuyezetsa kopitilira muyeso kapena kusintha magawo a dongosolo la EGR pangafunike.

Momwe Mungakonzere P0408 Engine Code mu Mphindi 3 [Njira 2 za DIY / $4.24 Yokha]

P0408 - Zambiri zokhudzana ndi mtundu

Khodi yamavuto P0408 ingagwiritsidwe ntchito pamitundu yosiyanasiyana yamagalimoto, koma kumasulira kumatha kusiyanasiyana pang'ono kutengera wopanga, mndandanda wamitundu yamagalimoto omwe ali ndi ma decodings awo:

Chonde onani bukhu lokonza kapena buku la ntchito la mtundu wagalimoto yanu kuti mumve zambiri za kumasulira khodi yamavuto ya P0408.

Kuwonjezera ndemanga