P0120 Throttle Position Sensor Circuit malfunction

P0120 – OBD-II Teeb meem Code Technical Description

Teeb meem code P0120 yog ib qho teeb meem dav dav uas qhia tias Lub Cav Tswj Module (ECM) tau kuaj pom tias lub tshuab hluav taws xob txoj hauj lwm sensor A Circuit Court voltage tsawg dhau los yog siab dhau (piv rau cov chaw tsim khoom tshwj xeeb).

Qhov txhaum cai txhais li cas P0120?

Teeb meem code P0120 feem ntau yog txuam nrog cov teeb meem nrog lub kaw lus txoj hauj lwm sensor system. Cov cai no qhia txog qhov tsis raug lossis tsis muaj teeb liab los ntawm qhov ntsuas qhov ntsuas qhov ntsuas (TPS). Lub throttle txoj hauj lwm sensor ntsuas lub kaum sab xis ntawm lub throttle valve thiab xa cov ntaub ntawv no mus rau lub cav tswj module (ECM). Thaum ECM pom qhov ua tsis tau zoo lossis cov teeb liab txawv txav los ntawm TPS, nws tsim code P0120.

Tej zaum ua rau

Qee qhov ua tau ntawm P0120:

• Faulty Throttle Position Sensor: Lub sensor nws tus kheej yuav puas los yog malfunction vim hnav los yog lwm yam teeb meem.
• Teeb meem nrog kev sib txuas hluav taws xob: Kev cuam tshuam tsis zoo ntawm cov hluav taws xob sib txuas ntawm lub tshuab nqus tsev sensor thiab ECU tuaj yeem ua rau lub teeb liab tsis ua haujlwm.
• Malfunctions nyob rau hauv lub hwj chim los yog hauv av Circuit Court: Teeb meem ntawm lub hwj chim los yog hauv av Circuit Court tej zaum yuav ua rau lub throttle txoj hauj lwm sensor tsis ua hauj lwm zoo.
• Teeb meem nrog lub throttle mechanism: Yog hais tias lub throttle mechanism yog sticking los yog ua hauj lwm erratically, nws yuav ua rau lub P0120 code.
• ECU software: Qee qhov teeb meem yuav cuam tshuam nrog ECU software uas ua cov teeb liab los ntawm qhov ntsuas qhov ntsuas qhov ntsuas.
• Teeb meem nrog kev xaim lossis cov khoom sib txuas: Cov xov hlau puas lossis cov khoom sib txuas txuas lub qhov hluav taws xob txoj hauj lwm sensor rau ECU tuaj yeem ua rau muaj teeb meem kev xa cov ntaub ntawv.

Rau kev kuaj mob kom raug thiab daws teeb meem, nws raug nquahu kom hu rau tus kws kho tsheb tsim nyog lossis lub chaw pabcuam tsheb.

Cov tsos mob ntawm tus lej yuam kev yog dab tsi? P0120?

Qee cov tsos mob tshwm sim uas yuav tshwm sim thaum teeb meem code P0120 (throttle position sensor) tam sim no:

• Cov teeb meem nrawm: Lub tsheb yuav muaj teeb meem accelerating lossis teb maj mam rau lub accelerator pedal.
• Lub cav ua haujlwm tsis sib xws: Lub cav yuav khiav nrawm ntawm qhov qis lossis hloov pauv tsis ua haujlwm.
• Jerking thaum tsiv: Yog hais tias lub throttle txoj hauj lwm sensor tsis ruaj khov, lub tsheb yuav jerk los yog poob zog thaum tsav tsheb.
• Iav hloov teeb meem: Lub tsheb uas tsis siv neeg kis tau tus mob yuav muaj kev hloov pauv tsis tu ncua lossis nres.
• Lub zog tsis txaus: Lub tsheb yuav tsis muaj zog, tshwj xeeb tshaj yog thaum nrawm nrawm.
• Cov teeb meem tshwm sim ntawm lub dashboard: Qee zaum, "Check Engine" lossis lwm lub teeb ceeb toom tuaj yeem tuaj rau ntawm lub dashboard.

Yog tias koj ntsib cov tsos mob no, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog lossis lub khw kho tsheb kom kuaj xyuas thiab kho qhov teeb meem.

Yuav ua li cas kuaj tau tus lej txhaum P0120?

Txhawm rau kuaj xyuas qhov teeb meem code P0120 (throttle position sensor), ua raws li cov kauj ruam no:

• Tshawb xyuas lub cev lub cev ntawm lub sensor: Txheeb xyuas qhov xwm txheej thiab txoj haujlwm ntawm lub tshuab nqus tsev sensor. Xyuas kom tseeb tias nws raug ntsia kom raug thiab tsis pom kev puas tsuaj.
• Tshawb xyuas kev sib txuas hluav taws xob: Txheeb xyuas cov hluav taws xob sib txuas ntawm lub sensor rau corrosion, oxidation lossis so. Xyuas kom txhua tus pins txuas zoo.
• Siv lub scanner los nyeem cov lej yuam kev: Siv lub tsheb scanner los nyeem cov lej yuam kev los ntawm ECU. Tshawb xyuas seb puas muaj lwm cov lej ntxiv rau P0120 uas yuav qhia tau tias muaj teeb meem nrog lub sensor lossis nws ib puag ncig.
• Tshawb xyuas qhov kev tiv thaiv sensor: Siv lub multimeter, xyuas qhov tsis kam ntawm qhov ntsuas qhov ntsuas qhov ntsuas. Sib piv tus nqi ntsuas nrog ib qho uas tau teev tseg hauv cov chaw tsim khoom cov ntaub ntawv qhia.
• Tshawb xyuas lub teeb liab sensor: Luam theej duab lub throttle txoj hauj lwm sensor teeb liab nrog lub tsheb scanner hauv lub sijhawm. Xyuas kom tseeb tias lub teeb liab yog raws li qhov xav tau thaum hloov lub throttle pedal txoj hauj lwm.
• Tshawb xyuas lub zog thiab hauv av: Xyuas kom tseeb tias qhov ntsuas qhov ntsuas qhov ntsuas tau txais lub zog txaus thiab yog qhov zoo hauv av.
• Xyuas lub throttle mechanism: Tshawb xyuas cov teeb meem nrog lub tshuab kaw lus uas yuav ua rau muaj teeb meem tsis raug ntawm lub sensor.
• Tshawb xyuas ECU software: Qee zaum, qhov teeb meem yuav cuam tshuam nrog ECU software. Kev hloov kho lossis rov tsim kho ECU tuaj yeem pab daws qhov teeb meem.

Tom qab kuaj xyuas thiab txheeb xyuas qhov ua rau ntawm qhov tsis ua haujlwm, nws raug nquahu kom ua qhov tsim nyog kho lossis hloov cov khoom raws li cov teeb meem uas tau txheeb xyuas. Yog tias koj tsis paub txog kev kuaj mob lossis kho tsheb, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog lossis lub khw kho tsheb kom pab.

Kev kuaj mob yuam kev

Thaum kuaj pom teeb meem code P0120 (throttle position sensor), cov hauv qab no yuam kev yuav tshwm sim:

• Kev txhais tsis raug ntawm cov ntaub ntawv sensor: Kev txhais tsis raug ntawm cov ntaub ntawv sensor tuaj yeem ua rau cov lus xaus tsis raug txog nws txoj haujlwm. Nws yog ib qho tseem ceeb kom raug txheeb xyuas cov teeb liab ntawm lub sensor thiab sib piv nrog cov txiaj ntsig xav tau.
• Faulty wiring los yog connectors: Teeb meem ntawm cov xaim lossis cov khoom sib txuas yuav ua rau lub sensor ua haujlwm tsis zoo lossis ua rau lub teeb liab poob. Xyuas tag nrho cov hluav taws xob sib txuas rau corrosion, oxidation, los yog so.
• Malfunction ntawm lwm yam system Cheebtsam: Qee qhov kev tswj hwm lub tshuab ua haujlwm xws li relays, fuses, hu, thiab lwm yam tuaj yeem ua rau P0120 code. Xyuas lawv rau functionality.
• Tsis raug sensor calibration lossis installation: Kev ntsuas tsis raug lossis kev teeb tsa ntawm lub ntsuas qhov ntsuas qhov ntsuas qhov ntsuas yuav ua rau lub ntsuas qhov ntsuas qhov ntsuas ntsuas tsis raug. Xyuas kom tseeb tias lub sensor raug teeb tsa kom raug thiab calibrated.
• Teeb meem nrog cov neeg kho tshuab ib feem ntawm lub throttle valve: Teeb meem nrog lub tshuab kaw lus, xws li lo lossis hnav, tuaj yeem ua rau lub sensor nyeem txoj haujlwm tsis raug.
• Malfunction nyob rau hauv lub computer: Kev ua txhaum hauv Chav Tswj Hluav Taws Xob (ECU) tuaj yeem ua rau P0120. Txheeb xyuas cov haujlwm ntawm ECU thiab nws cov software.
• Kev kuaj mob tsis txaus: Kev ua haujlwm tsis zoo tuaj yeem muaj ntau yam ua rau, thiab kev kuaj mob tsis raug tuaj yeem ua rau hloov cov khoom tsis tsim nyog. Nws yog ib qho tseem ceeb uas yuav tau tshawb xyuas qhov teeb meem thiab txheeb xyuas nws qhov chaw.

Thaum kuaj pom P0120 teeb meem code, nws yog ib qho tseem ceeb uas yuav tsum tau ceev faj thiab ua tib zoo kom tsis txhob muaj qhov yuam kev saum toj no thiab txiav txim siab qhov ua rau ntawm qhov teeb meem. Yog tias koj tsis paub meej txog koj qhov kev txawj ntse lossis kev paub dhau los, nws yog qhov zoo dua yog hu rau tus kws tshaj lij lossis lub khw kho tsheb kom tau txais kev pab ntxiv.

Txoj cai txhaum loj npaum li cas? P0120?

Teeb meem code P0120, qhia txog teeb meem nrog lub throttle txoj hauj lwm sensor, tuaj yeem loj heev, tshwj xeeb tshaj yog tias tsis quav ntsej rau lub sijhawm ntev. Nov yog qee qhov laj thawj vim li cas txoj cai no yuav suav tias yog qhov hnyav:

• Poob Lub Cav Tswj: Lub throttle txoj hauj lwm sensor plays lub luag haujlwm tseem ceeb hauv kev tswj lub cav ua haujlwm. Yog tias lub sensor tsis ua haujlwm zoo, nws yuav ua rau poob ntawm lub cav tswj, uas tuaj yeem ua rau muaj kev phom sij ntawm txoj kev.
• Poob zog thiab roj efficiency: Kev ua haujlwm tsis raug ntawm qhov ntsuas qhov ntsuas hluav taws xob tuaj yeem ua rau poob lub zog ntawm lub cav thiab txo cov roj efficiency. Qhov no tuaj yeem ua rau kev siv roj ntau ntxiv thiab ua rau kev kho mob kim dua yav tom ntej.
• Kev pheej hmoo ntawm kev puas tsuaj rau lwm yam khoom: Yog hais tias lub throttle txoj hauj lwm sensor tsim cov teeb liab tsis raug, kev khiav hauj lwm ntawm lwm yam cav yuav raug cuam tshuam. Piv txwv li, kev tswj huab cua thiab roj tsis zoo tuaj yeem ua rau hnav lossis puas tsuaj rau cov catalyst.
• Txo kev ruaj ntseg: Yog hais tias lub throttle sensor tsis ua hauj lwm kom raug, nws yuav ua rau koj poob tswj lub tsheb, tshwj xeeb tshaj yog nyob rau hauv qis speeds los yog thaum lub sij hawm maneuvers. Qhov no tuaj yeem tsim cov xwm txheej txaus ntshai ntawm txoj kev thiab ua rau muaj kev pheej hmoo ntawm kev sib tsoo.

Yog li, P0120 code yuav tsum tau txiav txim siab loj thiab yuav tsum tau ceev faj kom tsis txhob muaj teeb meem kev nyab xeeb ntawm lub cav thiab kev ruaj ntseg.

Kev kho dab tsi yuav pab tshem tawm cov cai? P0120?

Kev kho tus lej P0120 yuav xav tau ob peb kauj ruam nyob ntawm seb qhov laj thawj tshwj xeeb. Qee cov kauj ruam dav dav los daws qhov teeb meem no:

• Tshawb xyuas thiab ntxuav lub qhov throttle txoj hauj lwm sensor (TPS): Ua ntej txheeb xyuas qhov xwm txheej ntawm lub tshuab nqus tsev sensor thiab nws cov kev sib txuas. Tshawb xyuas corrosion ntawm cov neeg sib cuag lossis kev puas tsuaj rau cov xaim. Yog tias tsim nyog, ntxuav cov neeg sib cuag lossis hloov lub sensor.
• Hloov lub Throttle Position Sensor (TPS): Yog hais tias lub sensor puas los yog puas lawm, nws yuav tsum tau hloov. Lub sensor tshiab yuav tsum tau calibrated kom zoo los xyuas kom meej kev ua haujlwm ntawm lub cav tswj qhov system.
• Tshawb xyuas lub cav tswj qhov system (ECM): Qee lub sij hawm qhov teeb meem yuav yog nrog lub Cav Tswj Module (ECM) nws tus kheej. Txheeb xyuas qhov tsis xws luag lossis puas. Yog tias ECM ua yuam kev tiag tiag, nws yuav tsum tau hloov thiab rov kho dua kom haum rau koj lub tsheb cov kev qhia tshwj xeeb.
• Tshawb xyuas lub tshuab nqus tsev vacuum thiab throttle valve: Kev ua haujlwm tsis raug ntawm lub tshuab nqus tsev sensor tuaj yeem tshwm sim los ntawm lub tshuab nqus tsev vacuum lossis teeb meem nrog lub throttle lub cev nws tus kheej. Tshawb xyuas cov dej xau hauv lub tshuab nqus tsev thiab qhov xwm txheej ntawm lub throttle valve.
• Txheeb xyuas cov kab hluav taws xob thiab kev sib txuas hluav taws xob: Cov xov hlau tsis zoo lossis tawg lossis kev sib txuas hluav taws xob tsis raug tuaj yeem ua rau P0120 code. Tshawb xyuas cov hlua hluav taws xob thiab cov khoom siv hluav taws xob kom puas tsuaj thiab xyuas kom muaj kev sib txuas ruaj ntseg.
• Diagnostics ntawm lwm yam: Qee lub sij hawm qhov teeb meem tuaj yeem cuam tshuam nrog lwm cov khoom ntawm lub cav tswj lub cev, xws li cov pa oxygen lossis lub tshuab nqus tsev twj tso kua mis. Tshawb xyuas lawv cov haujlwm thiab hloov yog tias tsim nyog.

Nco ntsoov tias kev daws teeb meem P0120 code yuav xav tau kev txawj ntse thiab khoom siv. Yog tias koj tsis muaj kev paub txog kev kho tsheb, nws raug nquahu kom koj hu rau tus kws kho tsheb tsim nyog.

Yuav kuaj thiab kho li cas P0120 Cav Code - OBD II Trouble Code piav qhia

P0120 - Cov ntaub ntawv tshwj xeeb ntawm hom

Teeb meem code P0120 muaj feem xyuam rau lub cav tswj qhov system thiab tuaj yeem siv rau cov tsheb sib txawv. Nov yog cov npe ntawm qee lub npe tsheb thiab lawv cov lus txhais rau P0120 code:

1. Ford: Throttle Position Sensor (TPS) - Tsawg teeb liab tso zis Circuit Court.
2. Chevrolet / GMC: Throttle Position Sensor (TPS) / Throttle Position Sensor "A" - Teeb liab qis.
3. Toyota: Throttle Position Sensor (TPS)/Signal Output “A” – Teeb liab qis.
4. Hasdas: Throttle Position Sensor (TPS)/Signal Output “A” – Teeb liab qis.
5. Nissan: Throttle txoj hauj lwm sensor (TPS) - tsis tshua muaj teeb liab.
6. BMW: Throttle txoj hauj lwm sensor (TPS) - tsis tshua muaj teeb liab.

Cov no tsuas yog qee qhov kev txhais tau ntawm P0120 code rau ntau lub tsheb. Nws raug nquahu kom koj sab laj phau ntawv kho rau koj lub tsheb tshwj xeeb tsim thiab qauv rau cov ntaub ntawv tshwj xeeb ntxiv txog P0120 teeb meem code.