P0048 Turbo / Supercharger Boost Control Circuit High

P0048 Turbo / Supercharger Boost Control Circuit High

Bayanan Bayani na OBD-II

Circuit "A" na turbocharger / supercharger boost regulator, babban sigina

Mene ne wannan yake nufi?

Wannan Lambar Matsalar Bincike (DTC) lambar watsawa ce gaba ɗaya, wanda ke nufin ya shafi motocin OBD-II sanye take da supercharger ko turbocharger (Toyota, GMC Chevrolet Duramax, Mazda, Chrysler, Jeep, Ford Powerstroke, da sauransu).) . Kodayake gabaɗaya a yanayi, takamaiman matakan gyara na iya bambanta dangane da alama / ƙirar.

Turbochargers da superchargers sune fanfunan iska waɗanda ke tilasta iska a cikin injin don ƙara ƙarfi. Ana fitar da manyan cajar daga injin injin da bel, yayin da turbochargers ke motsa su ta hanyar iskar gas ɗin injin.

Yawancin motocin turbocharged na zamani suna amfani da abin da ake kira turbocharger geometry (VGT). Wannan nau'in turbocharger yana da madaidaitan ruwan wukake a kusa da wajen injin turbin wanda za a iya buɗewa kuma a rufe don canza adadin ƙarfin matsin lamba. Wannan yana ba da damar sarrafa turbo ba tare da saurin injin ba. Motocin galibi suna buɗewa lokacin da injin yana ƙarƙashin ƙarancin haske kuma yana buɗe lokacin da nauyin ya ƙaru. Matsayin ruwa yana sarrafawa ta tsarin sarrafa wutar lantarki (PCM), galibi ta hanyar lantarki mai sarrafa wutar lantarki ko injin. An ƙaddara matsayin turbocharger ta amfani da firikwensin matsayi na musamman.

A kan motocin da ke amfani da turbocharger ko supercharger na ƙaƙƙarfan ƙaƙƙarfan ƙaura, ana sarrafa ƙarfafawa ta hanyar ɓarna ko ɓarna. Wannan bawul ɗin yana buɗe don sakin matsin lamba. PCM yana lura da wannan tsarin tare da firikwensin matsa lamba.

Don wannan DTC, "A" yana nuna matsala a cikin wani ɓangaren da'irar tsarin kuma ba takamaiman alama ko sashi ba.

An saita lambar P0048 lokacin da PCM ke ba da siginar keɓaɓɓen siginar ƙarfi, ko injin yana amfani da turɓaya na VGT ko turbocharger / supercharger na gargajiya.

Typeaya daga cikin nau'in turbocharger yana haɓaka ikon sarrafa bawul ɗin solenoid:

Lambobin Turbo / Supercharger Injin DTC:

• P0045 Turbocharger / Supercharger Boost Control «A» Circuit / Buɗe
• P0046 Turbocharger / Supercharger Boost Control "A" Rangeit Range / Performance
• P0047 Turbocharger / Supercharger Ƙarfafa Sarrafa Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙarƙashin Ƙarfafa "A" ya yi
• P0049 Turbocharger / Supercharger Turbine Overspeed
• P004A Turbocharger / Supercharger Boost Control "A" Unstable / m

Ƙarfin lamba da alamu

Tsananin waɗannan lambobin matsakaita ne zuwa mai tsanani. A wasu lokuta, matsalolin turbocharger/superchager na iya haifar da lalacewar injin mai tsanani. Ana ba da shawarar gyara wannan lambar da wuri-wuri.

Alamomin lambar P0048 na iya haɗawa da:

• Yawan hanzarin da ke haifar da fashewar da yiwuwar lalacewar injin
• Duba Hasken Injin

dalilai

Dalilai masu yiwuwa don saita wannan lambar:

• Kuskuren haɓaka matsin lamba / firikwensin matsayin turbocharger
• Turbocharger mara lahani / supercharger
• Ingantaccen iko mai ƙarfi
• Matsalolin wayoyi
• PCM mara lahani
• Vacuum yana zubowa idan ana sarrafa bawul ɗin ta injin

Hanyoyin bincike da gyara

Fara ta hanyar duba turbocharger da tsarin sarrafa turbocharger. Nemo hanyoyin haɗin kai, lalacewar wayoyi, ɓoyayyiyar injin, da dai sauransu Sannan bincika Labaran Sabis na Fasaha (TSB) dangane da matsalar. Idan ba a sami komai ba, kuna buƙatar ci gaba zuwa binciken tsarin mataki-mataki.

Na gaba shine hanya gaba ɗaya kamar yadda gwajin wannan lambar ya bambanta daga abin hawa zuwa abin hawa. Don gwada tsarin daidai, kuna buƙatar komawa zuwa takaddar bincike na mai ƙira.

Tabbatar aiwatar da tsarin ta hanyar ba da umarnin madaidaiciyar madaidaiciya don sake canzawa tare da kayan aikin binciken biirectional. Speedaga saurin injin zuwa kusan 1,200 rpm kuma kunna juzu'i na kunnawa da kashewa. Wannan yakamata ya canza injin RPM kuma kayan aikin sikirin PID matsayin firikwensin shima ya canza. Idan saurin ya canza, amma matsayin PID / mai sarrafa matsa lamba ba ya canzawa, yi zargin matsala a cikin firikwensin ko kewaye. Idan RPM bai canza ba, yi zargin matsalar tana tare da keɓaɓɓen iko, turbocharger / supercharger, ko wayoyi.

• Don gwada da'irar: bincika iko da ƙasa a soloid. Lura: Lokacin yin waɗannan gwaje -gwajen, dole ne a umarci solenoid ON tare da kayan aikin dubawa. Idan wuta ko ƙasa ta ɓace, kuna buƙatar bin diddigin ƙirar ƙirar masana'anta don sanin dalilin.
• Duba turbocharger / supercharger: cire shigar iska don duba turbocharger / supercharger don lalacewa ko tarkace. Idan an sami lalacewa, maye gurbin naúrar.
• Duba firikwensin matsayi / matsin lamba da kewaye: a mafi yawan lokuta yakamata a haɗa wayoyi uku da firikwensin matsayi: iko, ƙasa da sigina. Tabbatar cewa duka ukun suna nan.
• Duba solenoid na sarrafawa: A wasu lokuta, zaku iya duba soloid ɗin ta hanyar duba juriyarsa ta ciki tare da ohmmeter. Dubi Bayanin Gyara Masana'antu don cikakkun bayanai. Hakanan zaka iya haɗa solenoid zuwa wuta da ƙasa don gwada idan yana aiki.

Tattaunawar DTC mai dangantaka

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Kuna buƙatar ƙarin taimako tare da lambar ku ta p0048?

Idan har yanzu kuna buƙatar taimako tare da DTC P0048, 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.