P0406 Exhaust gas recirculation sensor "A" teeb liab siab

P0406 – OBD-II Teeb meem Code Technical Description

Teeb meem code P0406 yog qhov teeb meem dav dav uas qhia tias EGR valve txoj hauj lwm sensor A teeb liab siab.

Qhov txhaum cai txhais li cas P0406?

Teeb meem code P0406 qhia tias Cov Cuab Yeej Siv Hluav Taws Xob Recirculation (EGR) valve txoj hauj lwm sensor A teeb liab siab dhau. Cov cai no qhia tias qhov ntsuas hluav taws xob hluav taws xob hluav taws xob yog siab dua li cov kev txwv. Yog tias ECM pom tias qhov hluav taws xob hauv lub ntsuas hluav taws xob muaj siab dhau lawm, Lub Teeb Ntsuas Hluav Taws Xob yuav teeb pom kev ntawm lub tsheb lub ntsuas hluav taws xob.

Tej zaum ua rau

Teeb meem code P0406 tuaj yeem tshwm sim los ntawm ntau yam laj thawj:

• Exhaust gas recirculation (EGR) valve yog txhaws los yog daig.
• Kev ua haujlwm tsis raug ntawm EGR txoj haujlwm sensor.
• Kev puas tsuaj lossis corrosion ntawm hluav taws xob tiv tauj hauv EGR txoj hauj lwm sensor Circuit Court.
• Kev ua haujlwm tsis raug ntawm lub tshuab hluav taws xob tswj hluav taws xob (ECM), uas txhais cov teeb liab los ntawm EGR sensor.
• Teeb meem nrog kev xaim lossis hluav taws xob sib txuas hauv EGR sensor Circuit Court.

Cov no tsuas yog ob peb yam ua tau, thiab kev kuaj mob ntxiv yuav xav tau los txheeb xyuas lub hauv paus ntawm qhov teeb meem.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0406?

Cov tsos mob rau tus lej P0406 tuaj yeem suav nrog cov hauv qab no:

• Lub Check Engine teeb los rau: Qhov no yog thawj cov tsos mob uas feem ntau tshwm sim thaum kuaj pom tus lej P0406. Thaum ECM pom muaj hluav taws xob ntau dhau hauv EGR valve txoj hauj lwm sensor Circuit Court, nws qhib lub Teeb Lub Teeb ntawm lub ntsuas hluav taws xob.
• Kev ua haujlwm tsis zoo ntawm lub cav: Teeb meem nrog EGR valve tuaj yeem ua rau txo qis kev ua haujlwm ntawm lub cav, suav nrog kev poob ntawm lub zog, kev ua haujlwm tsis zoo, lossis txawm tias lub cav tsis ua haujlwm.
• Unstable engine ua haujlwm ntawm idle: Yog tias EGR valve tau daig qhib vim qhov ua haujlwm tsis zoo, nws tuaj yeem ua rau lub cav tsis muaj zog lossis txawm kaw.
• Kev siv roj ntau ntxiv: Vim tias EGR pab txo qis nitrogen oxide emissions thiab txhim kho kev ua haujlwm ntawm lub cav, kev ua haujlwm tsis zoo hauv lub cev tuaj yeem ua rau muaj roj ntau ntxiv.
• Tsis ruaj tsis khov: EGR valve ua haujlwm tsis zoo tuaj yeem ua rau qhov tsis zoo, uas yuav ua rau lub cav ceev tsis ruaj khov lossis dhia nce thiab nqis.

Yog tias cov tsos mob no tshwm sim, nws raug nquahu kom koj tam sim ntawd hu rau tus kws kho tsheb tsim nyog rau kev kuaj mob thiab kho.

Yuav kuaj xyuas qhov teeb meem li cas P0406?

Txhawm rau kuaj pom qhov yuam kev P0406, ua raws cov kauj ruam no:

1. Scanning yuam kev codes: Siv OBD-II diagnostic scanner los kuaj xyuas cov lej yuam kev hauv lub cav tswj qhov system. Yog tias pom tus lej P0406, qhov no yuav yog lub hauv paus rau kev nqis tes ua ntxiv.
2. Kev kuaj pom pom: Saib xyuas cov kev sib txuas thiab cov xov hlau uas cuam tshuam nrog Cov Hluav Taws Xob Hluav Taws Xob Recirculation (EGR) valve, nrog rau lub valve nws tus kheej. Xyuas kom tseeb tias tsis muaj kev puas tsuaj, corrosion lossis tawg thaiv.
3. Tshawb xyuas kev sib txuas hluav taws xob: Siv lub multimeter, xyuas cov kev sib txuas hluav taws xob thiab cov xov hlau txuas nrog EGR valve txoj hauj lwm sensor. Xyuas kom tseeb tias qhov voltage ntawm cov kev sib txuas ua tau raws li cov neeg tsim khoom specifications.
4. EGR valve kuaj: Siv cov cuab yeej kuaj mob los yog multimeter, xyuas cov haujlwm ntawm EGR valve. Nws yuav tsum qhib thiab kaw raws li cov lus txib los ntawm lub cav tswj qhov system.
5. Txheeb xyuas qhov system pneumatic: Yog tias lub tsheb tau nruab nrog lub pneumatic EGR valve tswj qhov system, xyuas kom meej tias cov tshuab pneumatic ua haujlwm kom raug thiab tsis muaj qhov xau.
6. Engine Control Unit Diagnostics: Yog tias tag nrho cov kev txheeb xyuas yav dhau los tsis qhia txog qhov teeb meem, nws yuav tsum tau kuaj xyuas thiab kuaj xyuas lub cav tswj lub cav (ECU) txhawm rau txheeb xyuas qhov ua haujlwm tsis zoo lossis ua haujlwm tsis zoo.

Tom qab ua tiav cov kauj ruam no, koj tuaj yeem tshawb xyuas qhov tseeb dua ntawm qhov ua rau P0406 code thiab pib kho qhov tsim nyog.

Kev kuaj mob yuam kev

Thaum kuaj pom DTC P0406, cov teeb meem hauv qab no yuav tshwm sim:

• Kev kuaj mob tsis txaus: Qhov kev ua yuam kev tuaj yeem tshwm sim los ntawm cov teeb meem tsis yog nrog EGR valve, tab sis kuj nrog lwm cov khoom ntawm cov pa hluav taws xob tswj qhov system. Kev kuaj mob tsis txaus ntawm lwm cov khoom yuav ua rau muaj kev txheeb xyuas qhov ua rau tsis raug.
• Kev txhais cov ntaub ntawv tsis raug: Kev txhais cov ntaub ntawv los ntawm kev kuaj mob scanner yuav tsis raug, ua rau muaj kev kuaj mob tsis raug. Piv txwv li, high voltage ntawm EGR sensor tej zaum yuav tsis tshwm sim los ntawm lub sensor nws tus kheej, tab sis los ntawm lwm yam teeb meem, xws li ib tug luv luv Circuit Court nyob rau hauv cov hlau.
• Faulty wiring los yog connectors: Cov hlau lossis cov khoom sib txuas nrog EGR valve lossis nws cov sensor yuav puas, tawg, lossis oxidized, uas yuav ua rau cov ntaub ntawv tsis raug lossis tsis muaj kev sib txuas lus nrog EGR.
• Kev ua haujlwm tsis raug ntawm multimeter: Siv ib lub multimeter tsis raug lossis txhais tsis tau nws cov kev nyeem ntawv tuaj yeem ua rau cov lus xaus tsis raug txog qhov xwm txheej ntawm kev sib txuas hluav taws xob.
• Cov teeb meem tsis sib xws: Qee qhov teeb meem tsuas yog tshwm sim qee zaus, ua rau lawv nyuaj rau kev kuaj mob. Qhov no yuav tshwm sim los ntawm cov teeb meem kev sib cuag, kev sib txuas lus tsis zoo, lossis lwm yam.

Txhawm rau kuaj xyuas thiab daws qhov yuam kev P0406, nws yog ib qho tseem ceeb kom ua tib zoo ua txhua yam kev kuaj xyuas tsim nyog thiab tshem tawm qhov yuam kev saum toj no.

Txoj cai txhaum loj npaum li cas? P0406?

Teeb meem code P0406 qhia tias muaj teeb meem nrog cov pa roj recirculation (EGR) system, uas tuaj yeem ua rau cov hauv qab no:

• Nce emissions: Kev ua haujlwm tsis zoo hauv EGR system tuaj yeem ua rau muaj kev tso tawm ntau ntxiv ntawm nitrogen oxides (NOx), uas tuaj yeem cuam tshuam tsis zoo rau cov emissions zoo thiab tuaj yeem nyiam cov kev tswj xyuas.
• Poob kev ua haujlwm: Lub cev tsis ua haujlwm EGR tuaj yeem cuam tshuam rau kev ua haujlwm ntawm lub cav thiab kev ua haujlwm, uas tuaj yeem ua rau poob ntawm lub zog thiab roj kev lag luam.
• Risk ntawm lub cav puas: Yog hais tias qhov teeb meem EGR tsis raug kho raws sij hawm, nws tuaj yeem ua rau muaj qhov kub thiab txias nyob rau hauv lub combustion chamber, uas nyob rau hauv lem yuav ua rau muaj kev puas tsuaj rau lub cav Cheebtsam xws li li qub los yog pistons.

Zuag qhia tag nrho, P0406 code yuav tsum raug txiav txim siab loj thiab yuav tsum tau kuaj xyuas thiab kho tam sim ntawd kom tsis txhob muaj kev ua haujlwm tsis zoo ntawm lub cav thiab kev cuam tshuam tsis zoo.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0406?

Kev daws teeb meem DTC P0406 yuav suav nrog cov kauj ruam kho hauv qab no:

1. Tshawb xyuas thiab ntxuav EGR valve: EGR valve ua haujlwm tsis zoo lossis qias neeg tuaj yeem ua rau P0406. Tshawb xyuas lub valve kom ua haujlwm kom raug thiab ntxuav nws ntawm cov khoom ntim.
2. EGR Valve Hloov: Yog tias EGR valve puas lawm lossis tsis tuaj yeem ntxuav, nws yuav tsum tau hloov. Xyuas kom tseeb tias lub valve tshiab sib haum nrog koj lub tsheb.
3. Txheeb xyuas qhov hluav taws xob Circuit Court: Txheeb xyuas cov hluav taws xob sib txuas ntawm EGR valve rau Electronic Control Module (ECM). Tshawb xyuas cov hlua hluav taws xob rau kev tawg, corrosion lossis lwm yam kev puas tsuaj.
4. Kev kuaj mob ntawm EGR valve txoj hauj lwm sensor: Tshawb xyuas kev ua haujlwm ntawm EGR valve txoj hauj lwm sensor. Yog hais tias lub sensor faulty, hloov nws.
5. Tshawb xyuas lub tshuab nqus tsev vacuum: Tshawb xyuas cov kab nqus tsev txuas EGR valve rau lub tshuab nqus tsev twj thiab lwm yam khoom siv. Xyuas kom tseeb tias lawv tsis zoo thiab tsis muaj qhov xau.
6. Software hloov tshiab: Qee zaum, kev hloov kho ECM software tuaj yeem pab daws P0406 code.
7. Xyuas qhov cua txias system: Txheeb xyuas qhov xwm txheej ntawm lub tshuab ua kom txias, vim qhov kub ntawm lub cav yuav ua rau EGR valve ua haujlwm tsis zoo.
8. Diagnostics ntawm lwm yam Cheebtsam: Yog tias tsim nyog, xyuas lwm yam khoom siv ntawm lub tshuab nqus tsev thiab tso pa, xws li sensors, li qub thiab lub tshuab nqus tsev.

Kev daws teeb meem P0406 yuav xav tau kev pabcuam tshaj lij thiab kev kuaj mob. Yog tias koj tsis paub meej txog koj cov kev txawj kho tsheb, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog lossis lub khw kho tsheb.

Yuav kho P0406 Cav Code li cas hauv 3 feeb [2 Txoj Kev DIY / Tsuas yog $4.85]

P0406 - Cov ntaub ntawv tshwj xeeb ntawm hom

Teeb meem code P0406 muaj feem xyuam rau Cov Cuab Yeej Siv Hluav Taws Xob (EGR) system thiab tuaj yeem pom ntawm ntau lub tsheb. Nov yog qee qhov piv txwv ntawm lub tsheb hom nrog P0406 chaws:

• Toyota / Lexus / Scion: Exhaust gas recirculation valve txoj hauj lwm sensor teeb liab siab.
• Ford / Lincoln / Mercury: EGR valve txoj hauj lwm sensor teeb liab siab.
• Chevrolet / GMC / Cadillac: Tsis zoo li qub voltage nyob rau hauv EGR valve txoj hauj lwm sensor Circuit Court.
• Honda/Acura: EGR valve voltage pib dhau.
• Volkswagen / Audi / Porsche: Exhaust gas recirculation system malfunction - voltage siab dhau lawm.
• BMW/Mini: Exhaust gas recirculation valve txoj hauj lwm sensor teeb liab siab.
• Chrysler / Dodge / Jeep / Ram: EGR valve Circuit Court voltage siab dhau lawm.

Cov no tsuas yog qee qhov piv txwv ntawm lub tsheb hom uas tuaj yeem tso saib P0406 code. Rau koj lub tsheb tshwj xeeb tsim thiab qauv, nws raug nquahu kom koj sab laj phau ntawv kho lossis sab laj nrog kws kho tsheb tus kws tshaj lij rau kev txhais lus kom raug.