TshebTsheb

Common Cov tsos mob DMRV

MAF sensor (DMRV) - qhov no yam khoom, uas txiav txim seb tus nqi ntawm huab cua khiav nkag ntawm ib qho kev cua lim. Qhov no mechanism yog nyob ze ntawm lub tib lub lim. Txawm tias nws me me qhov ntev, qhov sensor plays ib tug tseem ceeb heev luag hauj lwm nyob rau hauv lub tsheb. Breakage DMRV yuav tsis zoo tso tawm rau hauv lub lag luam ntawm tag nrho cov cav. Yog li ntawd, nyob rau hauv kev txiav txim kom tsis txhob muaj tsis kaj siab zoo, koj yuav tsum tsis tu ncua kev tshawb nrhiav no thiab ua kom nws kho los yog hloov, yog tias tsim nyog.

Cov tsos mob DMRV

Yuav kom txiav txim hais tias tus airflow sensor yog cov, nws yog ua tau rau cov nram qab no cov tsos mob. Ua ntej, nws zoo nkaus li yuav ua tau kom cov roj noj. Ob, cov cim DMRV malfunction tej zaum yuav mus tsis tau ntawm cav fais fab. Tsis tas li ntawd muaj nqis sound lub tswb thaum ib tug "Kos Qhia" uas tsis nyob rau hauv lub twj paj nruag vaj huam sib luag. Lwm cov tsos mob yog ib tug phem pib engine "kub".

Txawm li cas los, nyob rau tib lub sij hawm nws yog tsim nyog nco ntsoov tias tag nrho cov saum toj no cov tsos mob tej zaum yuav qhia ib tug txhaum DFID thiab lwm yam kev puas tsuaj. Nyob rau hauv kev, ib tug phem pib ntawm lub engine yog qhia nyob rau hauv ib tug tsis zoo tom lub khanpuletauj ntawm lub cav tsheb. Cav hwj chim tsis muaj peev xwm yuav lurking nyob rau hauv lub kab mob lim. Teeb "Xyuas Qhia" zoo nkaus li thaum muaj ib tug faulty sensor yog ib tug lambda sojntsuam. Ib tug ua uas muaj zog roj feem ntau yuav tej lim. Yog li ntawd, mus nrhiav tau tawm seb lub tsheb "raws" vim hais tias ntawm huab cua khiav sensor, koj yuav tsum tau koj tus kheej mus rau nws thiab kev tshawb nrhiav.

Qhov zoo tshaj plaws diagnostic khoom rau DFID yuav motortester. Txawm li cas los, Yog hais tias koj lub tsev yog tsis xws li ib tug lub cuab tam, koj yuav siv tau ib tug dog dig voltmeter nrog ib tug scale ntawm 2 V. Nyob rau hauv kev txiav txim los txiav txim seb lawv yog tiag tiag tej yam tshwm sim ntawm teeb meem DMRV Vaz los yog tsis, nkag mus rau lub tsheb tus pin nyob rau hauv kev sib cuag ntawm cov daj hlau thiab foob. Ces tig mus rau ntawm ignition thiab saib cov scale. Qhov tseeb tiag mas, cov voltage yuav tsum sib txawv los ntawm 0.98 mus 0.99 volts. Pub ib tug me me yuam kev nyob rau hauv tus nqi ntawm cov 0.03 V. Yog hais tias lub koob rau lub scale tsom tsawg tshaj li 0,95 los yog ntau dua 1.03 V, nws hais tias tej yam tshwm sim ntawm tsis DMRV 2110 tau paub tseeb hais tias. Tab sis qhov kev hloov no tsis sai li sai tau tsim nyog sensor. Peb tseem muaj ib lub caij nyoog coj nws rov qab mus rau lub neej.

Yog li ntawd, unscrew lub mounting thaiv cov ntsiab thiab npaj mus rau kho. Rau qhov no nws yog tsim nyog los npaj ib cov tshuaj tsuag nqus tsev vacuum carburetor thiab khoov lub raj ntawm txoj cai lub, pre-cua sov nws nrog ib tug match. Tom ntej no, txiav lub raj thiaj li mus tuav lub dav hlau mus rau sab, thiab nws yog ib tug ncaj piece. Cov yav tas yog tswvcuab rau ib tug tob ntawm 9-10 hli rau hauv lub Upper channel thiab cov huv DMRV resistor. Nws yog nruj me ntsis txwv tsis pub siv nyob rau hauv cov ntaub ntawv no paj rwb swabs. Ib ob peb feeb tom qab peb rov qab ua nws tag nrho cov tshaj dua. Thaum cov khoom twb qhuav, muab tso rau nws rov qab nyob rau hauv lub rooj plaub thiab peb ntsuas tib voltage voltmeter. Yog hais tias cov ntaub ntawv xov mus rau saum toj qhov tseem ceeb, DMRV ntse kho. Zoo, yog hais tias tus xub tau poob rau hauv qab no 0,95 V, nws yog tsim nyog los ua ib tug tag nrho hloov qhov chaw. Tus lwm yam yog tsis muab.

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