P0421 Catalyst Ua Kom Kub Kub Ua Tau Zoo Hauv Qab Qhov Qub

OBD-2 - P0421 - Kev piav qhia

P0421 - Catalyst Cua Kub Ua Tau Zoo Hauv Qab Qhov Pib (Bank 1)

Code P0421 txhais tau hais tias lub kis tau tus mob tswj module txiav txim siab tias lub catalytic converter system tsis ua hauj lwm zoo thaum lub sij hawm sov so. Lub sijhawm no yuav kav txij lub sijhawm lub tsheb pib thawj zaug txog li tsib mus rau kaum feeb tom qab.

Qhov txhaum cai txhais li cas P0421?

Qhov Diagnostic Trouble Code (DTC) no yog tus lej siv dav, uas txhais tau tias nws siv rau OBD-II cov tsheb uas muaj cuab yeej siv. Txawm hais tias qhov dav dav, cov txheej txheem kho tshwj xeeb yuav txawv nyob ntawm cov khoom lag luam / qauv.

Yeej, qhov no txhais tau tias cov pa oxygen qis ntawm lub catalytic hloov pauv ntawm Chav 1 pom tias lub hloov pauv tsis ua haujlwm tau zoo raws li nws yuav tsum tau (raws li qhov tshwj xeeb). Nws yog ib feem ntawm lub tsheb tso pa tawm.

Lub powertrain tswj module siv cov ntaub ntawv los ntawm cov dej ntws thiab cov pa oxygen sensors thiab sib piv ob qhov kev nyeem ntawv. Yog tias ob qhov kev nyeem ntawv zoo ib yam lossis nyob ze rau ib leeg, lub teeb pom kev ntawm lub cav yuav tuaj thiab code P0421 yuav muab khaws cia. Yog tias qhov teeb meem no tsuas yog tshwm sim thaum lub tsheb ua kom sov, tus lej P0421 yuav raug khaws cia.

Cov tsos mob

Koj yuav zoo li yuav tsis pom muaj teeb meem daws teeb meem, txawm hais tias yuav muaj tsos mob tshwm sim. Cov cai yuav zoo dua tshwm sim tom qab lub cav tau rov pib dua lub cav txias hauv 1 txog 2 hnub dhau los.

• Lub teeb Check Engine yuav los
• Cav yuav tsis pib
• Lub cav yuav tsis muaj zog lossis oscillate thaum nrawm
• Tej zaum yuav hnov ​​suab txawv txawv thaum tsav tsheb

Yog vim li cas rau qhov yuam kev P0421

Txoj cai P0421 tuaj yeem txhais tau tias ib lossis ntau qhov xwm txheej hauv qab no tau tshwm sim:

• Lub catalytic converter tsis ua haujlwm zoo ntxiv lawm
• Cov pa oxygen tsis nyeem (tsis ua haujlwm) kom raug
• Spark plug qias neeg
• Faulty catalytic converter (feem ntau yuav yog tias tsis muaj lwm cov lej khaws cia)
• Faulty oxygen sensor
• Kev puas tsuaj oxygen sensor Circuit Court
• Faulty powertrain tswj module

Cov kev daws teeb meem

Ntsuas qhov ntsuas hluav taws xob ntawm cov pa oxygen ntawm qhov thaiv 1 (lub ntsuas cua tom qab lossis lub ntsuas tom qab hloov pauv). Qhov tseeb, nws yuav yog lub tswv yim zoo los ntsuas txhua O2 oxygen sensor thaum koj nyob ntawm nws.

Nws yuav tsum raug sau tseg tias ntau lub tuam txhab tsim tsheb muab kev lees paub ntev dua ntawm cov pa nkev ntsig txog ntu. Yog li ntawd, yog tias koj muaj lub tsheb tshiab dua tab sis tsis tau them los ntawm kev tiv thaiv lub bumper-rau-bumper, tseem yuav muaj kev lees paub rau hom teeb meem no. Ntau lub chaw tsim khoom muab cov khoom no nrog rau tsib-xyoo tsis suav nrog kev lees paub. Nws tsim nyog txheeb xyuas.

YUAV UA LI CAS MECHANIC DIAGNOSIS A P0421 CODE?

Yog tias tus lej P0421 tsuas yog tus lej khaws cia hauv lub kaw lus, tus kws kho tsheb tuaj yeem kuaj xyuas qhov teeb meem los ntawm kev saib cov pa tawm. Kev tshuaj xyuas qhov muag yog qhov pib zoo tshaj plaws los kuaj xyuas lub tsheb.

Tus kws kho tsheb tuaj yeem ua ob peb yam los kuaj xyuas qhov xwm txheej ntawm cov catalytic converters, xws li sniffing lub tso pa mus xyuas cov roj ntau dhau, xyuas cov catalytic converters liab nrog lub cav khiav, thiab txoj kev kuaj lub tsheb kom paub meej cov tsos mob.

Yog tias qhov kev ntsuam xyuas pom tau pom tseeb, tus kws kho tsheb tuaj yeem mus kuaj xyuas cov pa oxygen sensors thiab powertrain tswj module, pib nrog cov sensors. Yog tias ib qho ntawm cov pa oxygen sensors tsis ua haujlwm, lawv yuav raug hloov raws li qhov kev thov ntawm cov neeg siv khoom.

COMMON yuam kev thaum kuaj xyuas tus lej P0421

Ib qho yuam kev uas tus kws kho tsheb tuaj yeem ua tau thaum kuaj xyuas tus lej P0421 yog hla kev kuaj tag nrho thiab hloov cov catalytic converter. Thaum qhov no yog qhov ua rau feem ntau ntawm P0421 code, nws tsis yog tib qho laj thawj thiab lwm yam yuav tsum tau txiav txim siab ua ntej hloov txhua qhov chaw. Qhov no yog qhov tseeb tshwj xeeb tshaj yog thaum koj xav tias catalytic converters feem ntau yog qhov kim tshaj plaws ntawm tag nrho cov pa tawm.

YUAV TSUM TAU TXAIS P0421 YOG?

Code P0421 tuaj yeem loj heev. Yog hais tias lub catalytic converter ua tsis tau tejyam thiab lub cav khiav tsis zoo, ntxiv kev txav ntawm lub tsheb tuaj yeem ua rau muaj kev puas tsuaj loj rau lub cav. Rau lub cav ua haujlwm zoo, nws yuav tsum ua pa ib txwm. Yog hais tias lub catalytic converter tau melted nyob rau hauv qhov chaw los yog clogged nrog carbon deposits, lub cav yuav tsis muaj peev xwm ua tsis taus pa zoo thiab yog li ntawd yuav tsis ua hauj lwm zoo.

Kev kho dab tsi tuaj yeem kho tus lej P0421?

Kev kho uas yuav kho tau tus lej P0421 yuav suav nrog:

• Hloov chaw hloov catalytic
• Hloov cov pa oxygen sensor
• Kho lossis hloov cov xaim hluav taws xob cuam tshuam nrog oxygen sensor
• Hloov powertrain tswj module

Cov lus qhia ntxiv ntawm CODE P0421?

Yog hais tias lub catalytic converter muaj teeb meem, nws yog ib qho tseem ceeb uas yuav tau hloov nws nrog ib tug thawj qhov chaw. Qee lub khw muag khoom catalytic converter manufacturers tsim cov khoom pheej yig thiab yuav ua tsis tau ntxov ntxov. Txij li thaum hloov cov catalytic converter feem ntau yog ua haujlwm hnyav, nws yog ib lub tswv yim zoo los nqis peev hauv qhov zoo kom ntseeg tau tias txoj haujlwm tsuas yog ua tiav ib zaug xwb.

P0421 ✅ Cov tsos mob thiab kho kom raug ✅ - OBD2 Fault Code

Xav tau kev pab ntxiv nrog tus lej p0421?

Yog tias koj tseem xav tau kev pab nrog DTC P0421, tshaj tawm cov lus nug hauv cov lus hauv qab kab lus no.

NCO TSEG. Cov ntaub ntawv no yog muab rau lub hom phiaj xov xwm nkaus xwb. Nws tsis yog lub hom phiaj yuav siv los ua kev qhia kho thiab peb tsis muaj lub luag haujlwm rau ib qho kev nqis tes ua uas koj ua ntawm txhua lub tsheb. Txhua cov ntaub ntawv ntawm lub xaib no raug tiv thaiv los ntawm txoj cai.