P0791 Intermediate ncej ceev sensor "A" Circuit Court malfunction

P0791 – OBD-II Teeb meem Code Technical Description

Teeb meem code P0791 qhia txog kev ua haujlwm tsis zoo hauv lub nruab nrab ncej ceev sensor "A".

Qhov txhaum cai txhais li cas P0791?

Teeb meem code P0791 qhia tias muaj teeb meem nrog lub nruab nrab ncej ceev sensor "A" Circuit Court. Qhov no sensor feem ntau yog siv los sib txuas lus cov ntaub ntawv ceev ceev mus rau kis tau tus mob tswj module (PCM). Feem ntau, qhov ceev ntawm lub nruab nrab ncej yuav tsum maj mam nce mus txog rau thaum lub zog hloov. Yog tias qhov no tsis tshwm sim, PCM yuav tsis tuaj yeem txiav txim siab hloov lub tswv yim, ua rau P0791 txhaum cai. Qhov kev ua yuam kev no kuj tuaj yeem tshwm sim yog tias PCM tsis tau txais lub teeb liab los ntawm qhov ntsuas qhov nrawm lossis tau txais cov teeb liab yuam kev.

Tej zaum ua rau

Qee qhov laj thawj rau P0791 teeb meem code:

• Lub nruab nrab ncej ceev sensor nws tus kheej yog faulty.
• Teeb meem nrog kev sib txuas hluav taws xob lossis kev xaim hauv lub sensor Circuit Court.
• Muaj ib qho yuam kev hauv lub cav tswj module (PCM), uas tsis tuaj yeem txhais cov teeb liab ntawm lub sensor kom raug.
• Tsis ua hauj lwm nyob rau hauv nruab nrab ncej kis tau tus mob nws tus kheej, nrog rau cov teeb meem nrog lub iav hloov mechanism los yog tsav.
• Kev puas tsuaj los yog hnav mus rau kev sib kis ntawm cov khoom siv kho tshuab uas tuaj yeem cuam tshuam qhov nrawm nrawm.
• Hluav taws xob nrov lossis cuam tshuam hauv lub teeb liab sensor.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0791?

Cov tsos mob rau DTC P0791 yuav suav nrog cov hauv qab no:

• Cov teeb meem hloov pauv: Lub tsheb yuav muaj teeb meem hloov lub zog lossis tej zaum yuav muaj kev cuam tshuam qeeb ntawm kev hloov.
• Kev hloov pauv hloov pauv txawv txawv: Kev hloov pauv hloov pauv tsis zoo lossis tsis xav txog yuav tshwm sim, suav nrog kev hloov pauv sai lossis txawv txawv hauv lub cav ceev.
• Limp-On Hom: Qee zaum, lub tsheb tuaj yeem nkag mus rau hauv hom limp-on uas tsuas yog ib lub iav lossis ib qho kev txwv ntawm lub zog ua haujlwm.
• Check Engine Light: Feem ntau tus lej P0791 yuav nrog rau lub teeb Check Engine ntawm lub ntsuas vaj huam sib luag.

Yuav ua li cas kuaj tau tus lej txhaum P0791?

Cov kauj ruam hauv qab no raug pom zoo los kuaj xyuas DTC P0791:

1. Scanning Trouble Codes: Siv OBD-II scanner txhawm rau txheeb xyuas txhua qhov teeb meem hauv koj lub tsheb, suav nrog tus lej P0791. Qhov no yuav pab koj nqaim koj txoj kev tshawb nrhiav thiab saib seb puas muaj lwm yam teeb meem cuam tshuam rau kev sib kis.
2. Txheeb xyuas cov kev sib txuas hluav taws xob: Tshawb xyuas cov kev sib txuas hluav taws xob thiab cov xaim hluav taws xob cuam tshuam nrog lub ntsuas hluav taws xob ceev. Xyuas kom cov kev sib txuas muaj kev ruaj ntseg thiab tsis muaj kev puas tsuaj rau cov xaim.
3. Tshawb xyuas lub sensor nws tus kheej: Tshawb xyuas qhov nruab nrab ntawm qhov nrawm nrawm ntawm nws tus kheej kom raug teeb tsa thiab ua rau muaj kev puas tsuaj. Hloov lub sensor yog tias tsim nyog.
4. Transmission Diagnostics: Ua qhov kev ntsuam xyuas kis tau zoo txhawm rau txheeb xyuas lwm yam teeb meem uas yuav cuam tshuam rau kev sib kis tau zoo lossis kev sib tw ceev.
5. PCM Check: Yog tias tsim nyog, xyuas lub cav tswj module (PCM) rau qhov yuam kev lossis ua haujlwm tsis zoo uas yuav ua rau muaj teeb meem nrawm nrawm.
6. Kev Ntsuas Mechanical Cheebtsam: Tshawb xyuas cov khoom siv hluav taws xob ntawm kev sib kis, xws li kev hloov pauv thiab kev tsav tsheb, rau kev hnav lossis kev puas tsuaj uas yuav ua rau kev ua haujlwm tsis raug.

Kev kuaj mob yuam kev

Thaum kuaj pom DTC P0791, cov teeb meem hauv qab no yuav tshwm sim:

• Kev txhais tsis raug ntawm cov ntaub ntawv: Kev nkag siab tsis raug ntawm cov ntaub ntawv lossis kev txhais tsis raug ntawm cov lej yuam kev tuaj yeem ua rau kev txiav txim siab tsis raug ntawm qhov ua rau tsis ua haujlwm thiab, vim li ntawd, rau kev kuaj mob yuam kev.
• Kev tshuaj xyuas tsis txaus: Nco ntsoov tias tag nrho cov khoom cuam tshuam nrog lub ntsuas hluav taws xob nrawm tau raug tshuaj xyuas kom zoo, suav nrog kev sib txuas hluav taws xob, lub sensor nws tus kheej, thiab cov khoom siv hluav taws xob ntawm kev sib kis.
• Tsis quav ntsej txog cov teeb meem ntxiv: Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias P0791 code tuaj yeem tshwm sim tsis yog los ntawm qhov tsis zoo ntawm qhov ntsuas qhov nrawm, tab sis kuj los ntawm lwm yam teeb meem hauv kev sib kis lossis nrog lub cav tswj module. Nws yog ib qho tsim nyog los ua qhov kev kuaj mob dav dav kom tsis suav nrog lwm yam ua rau muaj peev xwm.

Txoj cai txhaum loj npaum li cas? P0791?

Teeb meem code P0791 tuaj yeem loj heev vim tias nws qhia tau hais tias muaj teeb meem nrog kev sib kis ceev sensor. Qhov sensor no yog qhov tseem ceeb rau kev ua haujlwm zoo ntawm kev sib kis, vim nws xa cov ntaub ntawv ceev ceev mus rau qhov tsis siv neeg kis tau tus mob tswj module (PCM), uas tso cai rau kev hloov cov iav kom raug.

Yog hais tias lub nruab nrab ncej ceev sensor tsis ua hauj lwm kom raug, nws yuav ua rau lub zog hloov tsis raug, uas yuav ua rau cov teeb meem hauv qab no:

• Kev hloov cov iav tsis raug: Lub tsheb tuaj yeem hloov mus rau hauv lub zog tsis tsim nyog, uas tuaj yeem ua rau poob lub zog, kev ua haujlwm tsis zoo, thiab txawm tias muaj xwm txheej tsav tsheb.
• Kev hnav khaub ncaws ntau ntxiv: Kev hloov iav tsis raug tuaj yeem ua rau hnav thiab puas tsuaj rau cov khoom sib kis hauv nruab nrab, yuav tsum tau them nqi kho lossis hloov pauv.
• Kev lag luam roj tsis zoo: Kev sib kis tsis zoo tuaj yeem ua rau muaj roj ntau ntxiv vim kev siv lub zog tsis zoo.

Yog li ntawd, tus lej P0791 yuav tsum tau ua tib zoo saib thiab pom zoo kom kuaj xyuas thiab kho yuav tsum tau pib tam sim kom tsis txhob muaj teeb meem ntxiv thiab ua kom muaj kev nyab xeeb thiab ua haujlwm ntawm lub tsheb.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0791?

Kev daws teeb meem teeb meem code P0791 yuav suav nrog cov kauj ruam hauv qab no:

1. Hloov Lub Nruab Nrab Ncej Speed ​​​​Sensor: Yog hais tias lub sensor faulty los yog ua tsis tiav, nws yuav tsum tau hloov nrog ib tug tshiab uas ua tau raws li cov thawj lub tsheb specifications. Tom qab hloov lub sensor, nws raug nquahu kom kuaj xyuas thiab ntsuas qhov system.
2. Txheeb xyuas cov kev sib txuas hluav taws xob: Tshawb xyuas cov kev sib txuas hluav taws xob, suav nrog cov xov hlau thiab cov khoom sib txuas nrog lub ntsuas ntsuas ntsuas ntsuas. Xyuas kom cov kev sib txuas tsis zoo thiab ruaj ntseg fastened.
3. Kev kuaj kab mob kis tau tus mob: Ntxiv nrog rau lub sensor, lwm yam khoom ntawm lub tshuab kis tau tus mob, xws li PCM thiab lwm yam sensors, kuj yuav tsum tau kuaj xyuas kom txiav txim siab lwm yam ua rau muaj qhov yuam kev.
4. Programming thiab Calibration: Tom qab hloov lub sensor lossis lwm yam khoom, nws yuav tsim nyog rau kev pab cuam lossis ntsuas qhov system kom paub meej tias kev sib kis tau zoo.

Nws raug pom zoo tias kev kho yuav tsum tau ua raws li kev taw qhia ntawm tus kws kho tsheb uas muaj kev paub dhau los lossis lub chaw pabcuam kev tso cai los xyuas kom meej tias qhov teeb meem raug kho kom raug thiab kom tsis txhob rov tshwm sim ntawm qhov yuam kev.

Yuav kuaj thiab kho li cas P0791 Cav Code - OBD II Trouble Code piav qhia

P0791 - Cov ntaub ntawv tshwj xeeb ntawm hom

Teeb meem code P0791 tuaj yeem muaj lub ntsiab lus sib txawv nyob ntawm cov chaw tsim khoom thiab cov qauv ntawm lub tsheb, ntau lub ntsiab lus rau ntau hom:

• Ford / Lincoln / Mercury: Teeb meem nrog lub nruab nrab ncej ceev sensor.
• Chevrolet / GMC / Cadillac: Intermediate Shaft Speed ​​​​Sensor A (ISS) Circuit Court malfunction.
• Toyota / Lexus: Intermediate ncej ceev sensor Circuit Court malfunction.
• Honda/Acura: Malfunction ntawm lub nruab nrab ncej ceev sensor "A" Circuit Court.
• BMW: Cov teeb liab tsis raug los ntawm qhov nruab nrab ncej ceev sensor.
• Mercedes-Benz: Intermediate Shaft Speed ​​​​Sensor A (ISS) Circuit Court malfunction.

Cov no tsuas yog qee qhov piv txwv ntawm P0791 cov lej rau ntau hom tsheb sib txawv. Nws tseem pom zoo kom koj sab laj cov ntaub ntawv kho thiab kev pabcuam rau koj lub hom phiaj tshwj xeeb thiab cov qauv kom paub meej ntxiv.