Maitiro Ekutarisa Uye Kuchenesa MAF Sensor
Sensor yeMass Air Flow (MAF) chinhu chakakosha muhurongwa hwemazuva ano hwekupinza mafuta mumotokari. Basa rayo guru nderekuyera huwandu hwemhepo inopinda muinjini uye wozotumira data iri kuEngine Control Unit (ECU). Data iri rinoshandiswa kuona huwandu hwemafuta anopinzwa kuti pave nemusanganiswa wakanaka wemhepo nemafuta. Kana sensor yeMAF yakasviba kana kuti isina kunaka, kuverenga kwayo kunova kusina kururama, zvichikonzera kudzikira kwekushanda kweinjini, kuwedzera kushandiswa kwemafuta , uye kuwedzera kubudiswa kwemhepo. Chinyorwa chino chichakurukura maitiro ekutarisa nekuchenesa sensor yeMAF zvakachengeteka uye zviri nyore.
Basa reMAF Sensor uye Zviratidzo Kana Matambudziko Aitika
Usati watanga kuongorora, zvakakosha kunzwisisa zviratidzo zvinowanzoonekwa zveMAF sensor yakasviba kana isina kunaka. Nekuti MAF inokanganisa zvakananga maverengerwo emafuta , matambudziko nesensa iyi anowanzoonekwa mukupindura kweinjini.
Zvimwe zviratidzo zvakajairika zvinosanganisira:
1. Kudhonza kunoita sekunge kwakaoma kana kusina simba, kunyanya panguva yekumhanya kwekutanga.
2. Kusagadzikana kwekushanda (rpm inochinja-chinja) kana kuti injini inomira nyore nyore kana ichishanda.
3. Kushandiswa kwemafuta kunopambadza kupfuura zvakajairika.
4. Injini inogunun'una kana kuzununguka pakufamba kwepakati nepakati.
5. Mwenje weinjini yekutarisa unobatidzwa, uine kodhi inowanzoenderana nekuyerera kwemhepo (semuenzaniso, P0100–P0104, zvichienderana nemota).
6. Utsi hwemuchina wekuburitsa utsi hwakakora mune dzimwe nguva nekuti musanganiswa wemafuta wakawandisa.
Zvakakosha kuziva kuti zviratidzo zviri pamusoro apa zvinogonawo kukonzerwa nezvimwe zvinhu zvakaita sefirita yemhepo yakasviba , kubuda kwevacuum, throttle body yakasviba, kana mamwe masensa. Saka, kuongorora kwakarongeka kuchiri kudiwa.
Kugadzirira Zvishandiso Nezvinhu
Kuti utarise uye uchenese sensor yeMAF, gadzirira michina inotevera:
– Sikuruu (+) kana (-) zvichienderana nerudzi rwebhoti/chikomboredzo
– Chipanera chesoketi/torx zvichienderana nerudzi rweMAF bolt (mota zhinji dzinoshandisa torx)
- Muchina wekuchenesa masensa weMAF (unokurudzirwa) kana wemagetsi unochenesa masensa wakachengeteka
– Jira rakachena (renzvimbo dzekunze, kwete rekubata zvinhu zve sensor)
– Magurovhosi nemagirazi ekudzivirira (sarudzo asi zvinokurudzirwa)
- OBD2 scanner (sarudzo, yekuverenga data neDTCs)
Zvakakosha: Usashandise muchina wekuchenesa makabhohaidhiretsi, muchina wekuchenesa mabhureki, muchina wekuchenesa, muchina wepeturu, muchina weWD-40, kana muchina wemhepo une simba rakawanda kuti uchenese chinhu cheMAF. Zvinhu izvi zvinogona kukuvadza ruvara rweganda rune simba riri pachinhu chekuongorora.
Nzvimbo yeSensor yeMAF
Sensor yeMAF inowanzoiswa pamugero wekupinda mweya, kazhinji:
– Pakati pebhokisi remhepo rinosefa nepaipi yekupinda kusvika ku throttle body, kana
- Yakabatanidzwa nemamwe machira ekuisa pane mamwe mamodheru.
Zvinhu zvayo zvakasiyana: kune chinobatanidza magetsi, uye sensor inobuda munzira yemhepo.
Maitiro Ekutarisa Sensor yeMAF
1) Kuongorora nemaziso (zviri nyore, asi zvakakosha)
Kutanga kubva pachinhu chiri nyore:
- Vhura hood.
– Tarisa firita yemhepo. Kana yakasviba zvakanyanya, chenesa kana kuitsiva. Firita yakasviba inogona kukonzera kuverenga kwemhepo kusingawanzoitiki.
– Tarisa pombi yekupinda: iva nechokwadi chekuti hapana kubvaruka, ma clamps akasununguka, kana kudonha kwemvura mushure me MAF. Kubuda kwemhepo mushure me MAF kunogona kukonzera kuti ECU "ibate" mhepo isingaonekwe ne sensor.
Matambudziko mazhinji anofungidzirwa kuti anokonzerwa neMAF yakakuvara anobva mufiriji inodonhedza mvura kana sefa yemhepo.
2) Tarisa neOBD2 scanner (inokurudzirwa)
Kana uine OBD2 scanner:
– Verenga DTC (Diagnostic Trouble Code). Makodhi P0100–P0104 anowanzo ratidza dambudziko reMAF circuit/reading.
- Ona data reMAF riripo (kazhinji mayuniti anenge ari magiramu/sekondi).
Sekupfupisa kwakazara (zvinogona kusiyana zvichienderana nemuchina):
– Kana ichishanda, MAF inowanzova pakati pema g/s mashoma (semuenzaniso 2–7 g/s pamainjini madiki-pakati).
– Sezvo rpm ichiwedzerwa, nhamba yeMAF inofanira kukwira zvakanaka uye nenzira inonzwisisika.
Kana "kusvetuka-svetuka," kwakaderera zvakanyanya, kwakakwira zvakanyanya, kana kusachinja zvakanyanya kana pedal yegesi yadzvanywa, zvinoreva kuti sensor yakasviba, mhepo yabuda, kana dambudziko remagetsi.
3) Bvunzo iri nyore: bvisa chinobatanidza cheMAF (sarudzo)
Pane dzimwe mota, kana chinobatanidza cheMAF chabviswa paplug:
- ECU inoshandisa default values (limp mode).
- Kana injini ichinzwa yakagadzikana kupfuura payaiiswa MAF, pane mukana wekuti kuverenga kweMAF kwakanganisa zvechokwadi.
Zvisinei, bvunzo iyi haisi nguva dzose yakarurama pamotokari dzese uye inogona kukonzera mwenje wekutarisa injini. Ishandise sechiratidzo chekutanga chete, kwete semhedziso yekupedzisira.
4) Tarisa zvinobatanidza netambo
Ita chokwadi:
- Hapana mapini akakombama, ngura, kana masokisi asina kusimba.
– Tambo yacho haina kuputsika/kubviswa.
Matambudziko emagetsi anogona kutevedzera zviratidzo zveMAF yakasviba.
Maitiro Ekuchenesa Sensor yeMAF Zvakachengeteka
Kana zvabuda muongororo zvikaratidza kuti MAF yakasviba, ichenese. Tevedzera matanho aya:
1) Dzima injini wobvisa materminal ebhatiri (sarudzo asi yakachengeteka)
– Dzima injini womirira kwemaminitsi mashoma kuti tembiricha iderere.
– Kubvisa chiteshi chebhatiri chisina simba kunogona kuderedza njodzi yekudonha kwemhepo uye kubvumira ECU kuti idzorerezve magadzirirwo ayo pane dzimwe mota. Zvisinei, pane dzimwe mota, kubvisa bhatiri kunogona kudzima marongero eadhiyo/wachi.
2) Bvisa chinongedzo cheMAF
– Dzvanya chinongedzo chekiyi, dhonza zvishoma nezvishoma.
– Usadhonze waya; bata chivharo chekubatanidza.
3) Bvisa MAF kubva muimba yekudyara
– Bvisa mabhaudhi/zvipikiri zvinobata MAF.
– Simudza sensor zvishoma nezvishoma. Kazhinji pane O-ring kana seal; chenjerera kuti usabvarure.
Teerera muromo we sensor: pane chinhu chinonzwa (waya inopisa/firimu rinopisa). Chikamu ichi hachifanirwe kubatwa.
4) Pfapfaidza nemvura yakakosha
- Bata MAF nemuviri wayo.
- Pfapfaidza MAF cleaner pane sensor element kubva kumativi akasiyana.
– Kureba kwekupfapfaidza kunenge 10–15 cm, uye pfapfaidza kanoverengeka kapfupi, kwete kupfapfaidza kamwe chete kwenguva refu.
Chinangwa chayo ndechekunyungudutsa tsvina yakatsetseka (guruva, mafuta akatsetseka anobva pakutsvaira, zvasara kubva kumafirita emhepo akapiswa nemafuta , nezvimwewo) pasina kukwenya chinhu chacho.
5) Usakwesha uye usapukuta
Chikanganiso chinowanzoitika ndechekupukuta chinhu chinoona nejira redonje kana jira. Izvi zvinogona kukanganisa chinhu chacho, sezvo chisina kusimba. Rega mvura yekuchenesa ishande yoga.
6) Omesa zvakasikwa
– Isa sensor munzvimbo yakachena uye yakaoma.
– Mira kwemaminitsi gumi kusvika makumi maviri (kana zvichienderana nemirayiridzo yechigadzirwa) kusvika zvaoma zvachose.
– Usashandise muchina wekuomesa bvudzi kana paine kupisa kwakanyanya kana mhepo ine simba guru.
7) Isazve
– Isa MAF mudura (ita shuwa kuti nzvimbo nekwakananga mhepo zvakanaka; kazhinji pane museve).
– Simbisa mabhaudhi zvakakwana, usanyanya kusimbisa.
– Isazve chinongedzo kusvika wanzwa kurira.
8) Tanga injini uye edza dhiraivha
- Tanga injini, tarisa kuti injini haina kushanda here.
– Kana paive nemota yekutarisa, unogona kudzima DTC ne scanner, kana kumirira kwenguva pfupi (zvichienderana nemota).
Edza kutyaira kwenguva pfupi. Kupindura kwe throttle, kushandura giya (ye automatic transmissions ), uye kushandiswa kwemafuta zvinowanzovandudzika kana dambudziko riripo riri MAF isina kunaka.
Sensor yeMAF inofanira kutsiviwa rini?
Kuchenesa hakugadzirisi dambudziko nguva dzose. Funga nezvekutsiva kana:
– MAF inoramba ichiratidza kuverenga kusina kujairika mushure mekucheneswa.
– MaDTC anoita seanoratidza kukuvara kwemukati/kwedunhu, uye waya/zvinobatanidza zvinosimbiswa kuti zvakanaka.
– Injini ichiri kushanda isina simba kana kutambisa mafuta kunyangwe pasina mvura inobuda, firita yemhepo itsva, uye throttle body yakachena.
Kuti uwane mhedzisiro yakanaka, shandisa MAF yekutanga kana mhando yemhando yepamusoro. Masensa enhema akachipa anowanzo kupa kuverenga kusina kururama.
Mazano Ekudzivirira MAF Kuti Isasvibe Nekukurumidza
1. Tsiva firita yemhepo nenguva. Firita yakazara ichaburitsa zvidimbu zvidiki.
2. Dzivisa mafirita anoshandisa mafuta akawandisa mushure mekutengesa mota. Izvi zvinogona kukwevera mafuta muMAF zvoita kuti anamire kuinjini.
3. Iva nechokwadi chekuti hapana mvura inobuda mupaipi yePCV kana system yekufema inogona kubvumira mafuta akawandisa kupinda muchinhu chinopinzwa.
4. Chenesa throttle body ne intake tract nguva nenguva sezvinodiwa.
Penutup
Sensor yeMAF ndiyo "ziso" reECU rekuona kuti mweya wakawanda sei uri kupinda muinjini. Kana sensor yakasviba, data rinotumirwa harisi iro, uye kukanganiswa kwaro kunogona kukanganisa mashandiro, kushandiswa kwemafuta , uye kuburitswa kwemhepo. Nekutarisa kuri nyore—kutanga nekutarisa firita nepaipi yekupinda, kuverenga data reOBD2, uye wozoichenesa nemvura yakakosha—unogona kudzorera mashandiro einjini pasina kutsiva zvikamu nekukasika. Kana dambudziko rikaramba riripo mushure mekuchenesa, saka enderera mberi nekuongorora kwakadzama kana kufunga nezvekutsiva sensor.
Kana muchida, ndinogona kugadzirisa chinyorwa ichi kuti chienderane nemarudzi chaiwo emota (semuenzaniso Avanza, Xenia, Jazz, Innova, Pajero Sport, nezvimwewo) uye kuwedzera huwandu hwedata reMAF rakasiyana zvichienderana nehuwandu hweinjini.
