P3449 Silinda 7 Deactivation / Intake Valve Control Circuit / Buɗe

P3449 Silinda 7 Deactivation / Intake Valve Control Circuit / Buɗe

Bayanan Bayani na OBD-II

Silinda 7 Deactivation / Intake Valve Control Circuit / Buɗe

Mene ne wannan yake nufi?

Wannan Lambar Matsalar Ciwon Cutar Kwayoyin cuta ta Powertrain (DTC) wacce ta dace da yawancin motocin OBD-II (1996 da sabuwa). Wannan na iya haɗawa, amma ba'a iyakance shi ba, General Motors, Dodge, Jeep, Chevrolet, Chrysler, Ram, da dai sauransu Kodayake na kowa, madaidaicin matakan gyara na iya bambanta dangane da shekarar ƙirar, ƙirar, ƙirar, da tsarin watsawa.

OBD-II DTC P3449 da lambobin haɗin gwiwa P3450, P3451, da P3452 suna da alaƙa da silinda # 7 rufe bawul ɗin rufewa / sarrafawa.

Manufar silinda 7 kashewa / sarrafa ikon sarrafa bawul shine don daidaita aikin kashe silinda (misali yanayin V4 na injin V8) don haɓaka tattalin arzikin mai yayin aikin ɗaukar nauyi kamar tuƙi. Module ɗin sarrafa injin (ECM) yana sarrafa hanyoyin injin silinda 4 ko 8, gami da shaye -shayen rufe bututun ƙarfe na huɗu na injin. Wannan lambar tana nufin lambar silinda 7, kuma sauran silinda uku a cikin wannan tsari ana ƙaddara su ta tsarin injin da tsarin harbi na silinda. An shigar da lambar silinda ɗaya ta silinda ɗaya a ko kusa da mashigar da ke kusa da wannan silinda, dangane da takamaiman abin hawa da daidaitawa.

Lokacin da ECM ta gano wani irin ƙarfin lantarki ko juriya mara kyau a cikin silinda 7 kashewa / kewayawa mai sarrafawa, lambar P3449 za ta saita kuma hasken injin dubawa, hasken sabis na injin, ko duka biyu na iya haskaka jim kaɗan. A wasu lokuta, ECM na iya kashe allurar Silinda # 7 har sai an gyara matsalar kuma an share lambar, wanda ke haifar da ɓarkewar injin.

Silinda rufe solenoids:

Menene tsananin wannan DTC?

Tsananin wannan lambar na iya bambanta ƙwarai daga matsakaici zuwa mai tsanani dangane da takamaiman alamun matsalar. Munanan wuta suna buƙatar kulawa ta gaggawa saboda suna iya haifar da lalacewar abubuwan injin na ciki.

Menene wasu alamomin lambar?

Alamomin lambar matsala P3449 na iya haɗawa da:

• Injin na iya yin aiki
• Ƙara yawan man fetur
• Ayyukan injin mara kyau
• Za a kunna hasken injin sabis nan ba da jimawa ba
• Duba hasken injin yana kunne

Mene ne wasu abubuwan da ke haifar da lambar?

Dalilan wannan lambar P3449 na iya haɗawa da:

• Noaukar cylan silinda na rufewa
• Low man fetur matakin ko matsa lamba
• Hanyar mai mai iyaka
• Wayoyi mara kyau ko lalace
• Mai ruɓewa, mai lalacewa ko sako -sako
• ECM mara lahani

Menene wasu matakai don warware matsalar P3449?

Mataki na farko don warware duk wata matsala ita ce yin bitar Takaddun Sabis na Fasaha na musamman (TSBs) ta shekara, samfurin, da injin. A wasu lokuta, wannan na iya ceton ku lokaci mai tsawo a cikin dogon lokaci ta hanyar nuna muku hanyar da ta dace.

Mataki na biyu shi ne duba yanayin man injin da kuma tabbatar da kiyaye shi yadda ya kamata. Na gaba, gano duk abubuwan da ke da alaƙa da silinda 7 mashigan rufewar bawul mai kula da da'ira da kuma neman ɓarna na zahiri. Dangane da takamaiman abin hawa, wannan da'irar na iya haɗawa da abubuwa da yawa, gami da na'urar kashe solenoid, masu sauyawa, alamun kuskure, da na'urar sarrafa injin. Yi cikakken duba na gani don bincika wayoyi masu alaƙa don bayyananniyar lahani kamar tabo, ɓarna, fallasa wayoyi, ko alamun kuna. Na gaba, bincika masu haɗawa da haɗin kai don tsaro, lalata da lalacewa ga lambobin sadarwa. Wannan tsari yakamata ya haɗa da duk masu haɗin lantarki da haɗin kai zuwa duk abubuwan haɗin gwiwa, gami da ECM. Tuntuɓi takamaiman takaddar bayanan abin hawa don bincika saitin kewayawa na Silinda 7 shutoff/mashiga bawul ɗin sarrafawa kuma tabbatar da kowane ɓangaren da aka haɗa a cikin da'irar, wanda zai iya haɗawa da fuse ko hanyar haɗin da ba za ta iya ba.

Matakan ci gaba

Ƙarin matakan sun zama takamaiman abin hawa kuma suna buƙatar ingantattun kayan aikin da za a yi su daidai. Waɗannan hanyoyin suna buƙatar multimeter na dijital da takamaiman takaddun bayanan fasaha.

Gwajin awon wuta

Ƙarfin tunani da jeri na iya ƙila su bambanta dangane da takamaiman abin hawa da daidaitawar kewaye. Bayanai na musamman na fasaha za su haɗa da teburin matsala da jerin matakan da suka dace don taimaka muku yin ingantaccen ganewar asali.

Idan wannan tsari ya gano cewa tushen wuta ko ƙasa ya ɓace, ana iya buƙatar gwajin ci gaba don tabbatar da amincin wayoyi, masu haɗawa, da sauran abubuwan haɗin. Yakamata a yi gwajin ci gaba koyaushe tare da ikon da aka yanke daga kewaya, kuma karatun al'ada don wayoyi da haɗi yakamata su kasance 0 ohms na juriya. Tsayayya ko babu ci gaba yana nuna lahani na waya wanda ke buɗe, gajarta, ko gurɓatacce kuma yana buƙatar gyara ko maye gurbinsa.

Waɗanne madaidaitan hanyoyin gyara wannan lambar?

• Sauya deactivation solenoid
• Tsaftace masu haɗawa daga lalata
• Gyara ko maye gurbin wiring mara kyau
• Canjin mai da tacewa
• Tsaftace hanyoyin man da aka toshe
• Haske ko maye gurbin ECM

Babban kuskure

• Sauya solenoid na kashewa tare da rashin isasshen matsin mai ko wayoyi mara kyau zai sa ECM ta saita wannan lambar.

Da fatan, bayanin da ke cikin wannan labarin ya taimaka muku wajen nuna madaidaiciyar hanya don warware matsalar shigar DTC / Silinda 7 na sarrafa kashewa. Wannan labarin don dalilai ne na bayanai kawai, kuma takamaiman bayanan fasaha da bayanan sabis don abin hawan ku fifiko.

Tattaunawar DTC mai dangantaka

• Dodge Charger 2010 5.7 fakitin 'yan sanda tare da lambar p3449 da walƙiyar injin binciken walƙiya don Allah a taimaka!Sannu, Ina da tambaya kuma ina matukar buƙatar taimako don nuna ni kan madaidaiciyar hanya. Ina da Kunshin 'Yan Sanda na Dodge Charger na 2010 don kawai 5.7k. Hasken injin cajin ya kunna ya fara walƙiya 👿 Lokacin da na duba lambar oda na siye, da farko ya zama p98 p0013 p0307. Na duba lambobin kuma na sami ... 
• 2007 Chevy Silverado 4x4 V-8 5.3L Lambobi da yawa: p0522, p3401, p3425, p3441, p3449Ina buƙatar taimako / jagora don tantance sanadin lambobin da yawa waɗanda aka nuna lokacin dubawa, waɗannan sune: p0522 (firikwensin matsin lamba na injin ƙaramin ƙarfin lantarki); p3401 silinda 1, p3425 silinda 4, p3441 silinda 6, da p3449 silinda 7 (dukkansu suna sarrafa rufewar solenoid valve ci ... 
• Lambar matsala P3449 akan 2008 Silverado 5.3 flex, 4x4, vin OShin akwai wanda zai iya gaya mani yadda ake warware wannan lambar kuskure wanda ke haifar da rashin aiki a kan babbar motar Chevy? Na duba lambar kuma na san abin da ake nufi, amma ban san abin da nake nema ba. Injin yana tafiya da ƙarfi, amma ina tsammanin ina da silinda 7 kawai. Idling yana da santsi kuma ... 

Kuna buƙatar ƙarin taimako tare da lambar P3449?

Idan har yanzu kuna buƙatar taimako tare da DTC P3449, 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.