P0454 Evaporator Exhaust System Siab Sensor Intermittent

P0454 – OBD-II Teeb meem Code Technical Description

Evaporative Emission Control System Pressure Sensor Intermittent Signal

Qhov txhaum cai txhais li cas P0454?

DTC P0454 yog ib tug generic OBD-II code uas siv rau ntau yam ntawm cov tsheb (xws li Dodge, Ford, Chevrolet, VW, Audi, Toyota, thiab lwm yam). Nws qhia tau hais tias lub teeb liab tsis sib xws los ntawm EVAP siab sensor.

EVAP system yog tsim los ntes thiab tswj cov roj vapors kom lawv tsis txhob tso rau hauv qhov chaw. Xws li charcoal canister, EVAP siab sensor, ntxuav valve thiab ntau lub raj thiab hoses. Yog tias EVAP qhov system siab tsis sib xws, P0454 code yuav raug khaws cia.

Txhawm rau daws qhov teeb meem no, kev kuaj mob yuav tsum tau txiav txim siab seb EVAP qhov system tivthaiv twg ua rau qhov yuam kev. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov teeb meem no yuav txawv nyob ntawm qhov tsim thiab qauv ntawm koj lub tsheb.

Tej zaum ua rau

Cov laj thawj rau P0454 code hauv GMC Sierra zoo ib yam li qhov yuav ua rau cov cai no hauv lwm lub tsheb xws li KIA thiab ntau lwm tus. Qee qhov laj thawj feem ntau suav nrog:

1. Kev teeb tsa tsis raug ntawm lub hau roj.
2. Gas cap tsis zoo.
3. Clogged carbon cylinder.
4. Flow sensor yog faulty.
5. Lub tshuab nqus tsev vacuum puas.
6. Txhaum los yog puas charcoal canister.
7. Lub purge tswj solenoid yog faulty.
8. Ua puas los yog tawg roj vapor hoses.
9. Nws tsis tshua muaj tab sis muaj peev xwm hais tias powertrain control module (PCM) yog faulty.

Thov nco ntsoov tias cov xwm txheej no tuaj yeem ua rau P0454 code thiab xav tau kev kuaj mob txhawm rau txheeb xyuas qhov laj thawj thiab ua qhov tsim nyog kho.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0454?

Cov tsos mob tseem ceeb ntawm P0454 code yog lub teeb pom kev ntawm Lub Cav. Txawm li cas los xij, ua ntej lossis tom qab qhov ntsuas tau qhib, koj yuav tsis pom muaj qhov tsis sib xws hauv kev ua haujlwm ntawm lub tsheb.

Cov tsos mob ntawm cov cai no yuav suav nrog kev txo qis ntawm cov roj ua haujlwm me ntsis thiab lub teeb pom kev zoo MIL (lub teeb pom kev tsis zoo). Feem ntau nrog P0454 code, tsis muaj tsos mob.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias ntau yam kev ua yuam kev xws li P0442, P0451, P0452, P0453 thiab lwm yam cuam tshuam nrog lub tsheb evaporative emission control (EVAP) system tej zaum yuav nyuaj rau cov tsos mob. Txawm li cas los xij, tsis quav ntsej cov cai thaum nws tshwm sim tuaj yeem ua rau EVAP system puas tsuaj.

Yog li ntawd, nws raug pom zoo kom txheeb xyuas qhov ua rau ntawm P0454 code thiab siv cov kev ntsuas tsim nyog los tshem tawm nws. Txawm li cas los xij, yog tias koj pom cov cai no hauv koj lub tsheb, nws ua rau kev txiav txim siab kuaj xyuas thiab kho kom muaj kev ntseeg siab thiab ua haujlwm ntawm EVAP system.

Yuav ua li cas kuaj tau tus lej txhaum P0454?

Txhawm rau kuaj xyuas tus lej P0454, koj yuav xav tau cov cuab yeej thiab cov txheej txheem hauv qab no:

1. OBD II Diagnostic Scanner: Txuas lub cuab yeej scan rau lub tsheb OBD II chaw nres nkoj txhawm rau luam theej duab lub khoos phis tawj on-board rau P0454 code.
2. Digital Volt / Ohmmeter: Ib qho cuab yeej siv rau kev ntsuas hluav taws xob hauv hluav taws xob, thaiv hluav taws xob thiab cov khoom sib txuas. Qhov no yuav pab txheeb xyuas qhov tawg lossis luv luv hauv qhov system.
3. Cov ntaub ntawv tsheb: Ib qho kev ntseeg siab ntawm cov ntaub ntawv hais txog koj lub tsheb, xws li Txhua Cov Ntaub Ntawv DIY lossis phau ntawv qhia kev pabcuam rau koj qhov tshwj xeeb tsim thiab qauv.
4. Lub tshuab pa luam yeeb (yog tias tsim nyog): Ib qho cuab yeej uas pab txheeb xyuas cov dej xau hauv EVAP, tshwj xeeb tshaj yog tias lawv tsis pom zoo los ntawm kev tshuaj xyuas qhov muag.

Diagnostic txheej txheem:

1. Kev soj ntsuam: Xyuas cov hoses, kab, hluav taws xob harnesses thiab connectors nyob rau hauv lub EVAP system. Ua tib zoo saib xyuas qhov chaw uas tej zaum yuav puas los yog nyob ze ntawm cov khoom siv hluav taws xob kub. Kuj xyuas kom tseeb tias lub hau roj yog kaw nruj nreem.
2. Txuas lub scanner: Txuas lub scanner rau lub tsheb qhov chaw kuaj mob thiab tau txais tag nrho cov lej khaws cia thiab khov cov ntaub ntawv. Sau cov ntaub ntawv no cia.
3. Pib dua cov lej thiab kuaj tsav: Tshem cov lis dej num ntawm lub tshuab luam ntawv thiab sim tsav lub tsheb kom txog thaum lub code clears lossis OBD-II Npaj hom tshwm. EVAP cov lej feem ntau pom meej tom qab ob peb lub voj voog tsav tsheb yam tsis muaj qhov yuam kev.
4. EVAP siab xyuas: Saib xyuas EVAP siab sensor teeb liab siv lub scanner qhov kev kuaj xyuas ntws. Xyuas kom tseeb tias qhov system siab ua tau raws li cov chaw tsim khoom tshwj xeeb.
5. Tshawb xyuas EVAP siab sensor: Yog tias txoj cai qhia tias muaj teeb meem nrog EVAP siab sensor, kom nws kuaj xyuas. Lub sensor feem ntau yog nyob rau sab saum toj ntawm lub tank roj. Ua raws li cov chaw tsim khoom cov lus pom zoo rau kev sim thiab hloov lub sensor yog tias tsim nyog.
6. Tshawb xyuas cov kab hluav taws xob: Tshem tawm tag nrho cov tswj hwm thiab ntsuas tus kheej lub voj voog siv lub tshuab hluav taws xob digital volt / ohmmeter. Hloov lossis kho qhov qhib lossis luv luv raws li qhov tsim nyog.

Cov Lus Qhia Ntxiv: Tsawg lossis siab EVAP qhov system siab tuaj yeem ua rau P0454. Xyuas kom tseeb tias lub siab nyob hauv cov chaw tsim khoom cov lus pom zoo. Yog hais tias EVAP siab sensor faulty, hloov nws.

Cov cuab yeej xav tau los kuaj xyuas tus lej P0454 suav nrog:

1. OBDII Scanner: Txhawm rau luam theej duab lub khoos phis tawj on-board thiab ntes tus lej P0454.
2. Digital Volt / Ohmmeter: Siv cov khoom siv hluav taws xob thiab cov khoom sib txuas.
3. Cov ntaub ntawv tsheb: Kev ntseeg siab ntawm cov ntaub ntawv hais txog koj lub tsheb, xws li Txhua Cov Ntaub Ntawv DIY lossis phau ntawv qhia kev pabcuam

Kev kuaj mob yuam kev

Feem ntau, kev tshem tawm P0454 code yog qhov yooj yim raws li kev tshuaj xyuas lub hau roj kom paub tseeb tias nws raug kaw kom raug lossis nrhiav thiab kho lub tshuab nqus tsev me me.

Txawm li cas los xij, qee zaum cov tswv tsheb lossis cov kws kho tsheb yuav maj nrawm los hloov cov evaporative emission tswj qhov system, xws li solenoid lossis charcoal canister, yam tsis tau them nyiaj rau lwm yam teeb meem me. Qhov kev txiav txim siab no yuav tsis tsuas yog tus nqi tsis tsim nyog, tab sis kuj ua rau muaj txiaj ntsig nyiaj txiag.

Yog li ntawd, yog tias koj tab tom ntsib tus lej P0454 hauv koj lub tsheb, nws yog qhov zoo tshaj plaws kom tsis txhob maj mus rau qhov ua tiav evaporative emissions tswj kev hloov pauv thaum xub thawj. Hloov chaw, koj tus kws kho tsheb yuav tsum ua qhov kev kuaj mob kom zoo los txiav txim seb qhov teeb meem puas yog nrog lub hau roj lossis lwm yam tsis tseem ceeb. Qhov no tuaj yeem pab koj kom tsis txhob muaj nuj nqis uas tsis tsim nyog thiab daws qhov teeb meem hauv paus.

Txoj cai txhaum loj npaum li cas? P0454?

Kev pom tus lej P0454 yuav tsis yog qhov teeb meem loj heev vim nws feem ntau tsis cuam tshuam rau kev ua haujlwm ncaj qha ntawm lub tsheb lub cav. Tsuas yog daim ntawv ceeb toom rau tus neeg tsav tsheb yuav yog lub teeb Check Engine los.

Txawm li cas los xij, tsis quav ntsej DTC no rau lub sijhawm txuas ntxiv tuaj yeem ua rau muaj xwm txheej tsis txaus ntseeg. Yog li ntawd, yog tias koj pom tus lej P0454 hauv koj lub tsheb, nws raug nquahu kom koj hu rau tus kws kho tsheb pib sai li sai tau.

Tus kws kho tsheb yuav kuaj xyuas qhov teeb meem thiab txiav txim siab qhov tsis raug ntawm EVAP system. Tom qab no, koj tuaj yeem pib tshem tawm tam sim ntawd.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0454?

1. Tshawb xyuas lub hau roj kom paub tseeb tias nws raug kaw kom raug thiab kaw. Hloov nws yog tias puas lossis hnav.
2. Xyuas cov kab nqus tsev vacuum thiab EVAP hoses rau kev puas tsuaj, xau, lossis thaiv. Hloov lossis ntxuav lawv yog tias tsim nyog.
3. Txheeb xyuas qhov xwm txheej ntawm EVAP system carbon cylinder (canister) thiab hloov nws yog tias pom muaj teeb meem.
4. Tshawb xyuas EVAP siab sensor rau kev ua haujlwm kom raug. Yog tias nws tsis ua raws li cov chaw tsim khoom tshwj xeeb, hloov nws.
5. Tshawb xyuas EVAP tshem tawm cov tswj solenoid thiab hloov nws yog tias nws ua yuam kev.
6. Yog tias koj tsis tuaj yeem txiav txim siab qhov ua rau ntawm P0454 code koj tus kheej, coj mus rau tus kws kho tsheb kom paub meej ntxiv thiab kho.

P0454 - Cov ntaub ntawv tshwj xeeb ntawm hom

Code P0454, uas muaj feem xyuam rau evaporative emission control (EVAP) system, yog ib yam rau ntau lub tsheb. Txawm li cas los xij, cov npe tshwj xeeb yuav muab qee cov ntaub ntawv ntxiv rau cov cai no. Nov yog qee qhov piv txwv:

1. Ford / Lincoln / Mercury: P0454 tuaj yeem sawv ntsug rau "Pressure Sensor Switch High Input." Qhov no qhia tau hais tias muaj teeb meem nrog lub teeb liab siab tawm tswv yim los ntawm EVAP system siab sensor.
2. Chevrolet / GMC / Cadillac: P0454 tuaj yeem txiav txim siab raws li "Evaporative Emission Control System Pressure Sensor / Hloov Siab Tshaj Tawm." Qhov no kuj qhia tau hais tias lub teeb liab tawm siab los ntawm EVAP system siab sensor.
3. Toyota / Lexus: Rau qee tus qauv Toyota thiab Lexus, P0454 yuav yog "Evaporative Emission System Pressure Sensor/High Input." Qhov no zoo ib yam li qhia tau hais tias lub teeb liab siab input los ntawm lub siab sensor.
4. Volkswagen / Audi: Hauv qhov no, P0454 tuaj yeem txhais tau tias "EVAP System Pressure Sensor / Hloov Siab Tshaj Tawm." Qhov no kuj yog vim lub siab tawm tswv yim teeb liab los ntawm EVAP system siab sensor.

Thov nco ntsoov tias lub ntsiab lus ntawm P0454 code yuav txawv me ntsis nyob ntawm seb tus qauv tshwj xeeb thiab lub xyoo ntawm lub tsheb. Yog xav paub ntau ntxiv, nws yog ib lub tswv yim zoo los sab laj phau ntawv kho lossis kev pabcuam ntawm cov chaw tsim khoom.

Yuav kho P0454 Cav Code li cas hauv 3 feeb [2 Txoj Kev DIY / Tsuas yog $4.44]

P0454 - FAQ

EVAP siab sensor nyob qhov twg? Lub EVAP siab sensor feem ntau yog nyob rau sab hauv lossis sab saum toj ntawm lub tsheb roj tank. Lub sensor no yog ib feem ntawm EVAP system thiab yog siv los saib xyuas cov roj siab hauv cov roj av. Thaum lub kaw lus pom cov teeb meem xws li xau, nws yuav muab qhov yuam kev xws li P0454.

Dab tsi Ua Rau Siab EVAP Siab? Lub siab EVAP siab tuaj yeem tshwm sim los ntawm ntau yam, suav nrog EVAP lub kaus poom, cov kab hluav taws xob tsis zoo, thiab lub tshuab hluav taws xob tsis ua haujlwm lossis kev tswj xyuas kom huv. Yuav luag txhua qhov kev ua haujlwm tsis zoo hauv evaporative vapor recovery (EVAP) system tuaj yeem ua rau muaj kev kub ntxhov hauv lub cev.

P0455 puas yog nws tus kheej? Yog lawm, P0455 code tuaj yeem tshem tawm ntawm nws tus kheej. Lub evaporative emission tswj system ua rau nws tus kheej kuaj xyuas nyob rau hauv qee yam kev tsav tsheb, thiab yog tias nws pom tsis muaj teeb meem, tus lej yuam kev yuav pom tseeb. Qhov no yuav xav tau ntau lub voj voog tsav tsheb. Tshawb xyuas seb lub hau roj foob puas raug kaw, vim tias qhov kaw tsis raug kaw tuaj yeem ua rau cov cai no.