P0721 Fitar da Saurin Sensor Range/Aiki

P0721 - OBD-II Bayanin Fasaha na Lambar Matsala

Range/Ayyuka na Sensor na Saurin fitarwa

Menene ma'anar lambar kuskure P0721?

Matsala code P0721 ne na kowa OBD-II watsa ganewar asali code cewa ya shafi motoci na daban-daban kera da kuma model kamar VW, BMW, Mercedes, Chevrolet, GMC, Allison, Duramax, Dodge, Ram, Ford, Honda, Hyundai, Audi da sauran . Ko da yake gabaɗaya a yanayi, takamaiman matakan gyara na iya bambanta dangane da shekara, yi, samfuri da kayan aikin abin hawa. Lambar P0721 tana da alaƙa da firikwensin saurin fitarwa kuma kunna shi na iya haifar da kurakurai daban-daban kamar P0720, P0722 da P0723, waɗanda ke nuna takamaiman matsaloli.

Manufar firikwensin saurin fitarwar watsawa shine don samar da bayanan saurin fitarwa zuwa PCM (modul sarrafa injin). Ana buƙatar wannan bayanan don sarrafa solenoids na motsi da kuma lura da tsarin motsi na kaya, matsa lamba na watsawa da, a wasu lokuta, ma'aunin saurin gudu.

Akan motocin da ke da isar da isar da sako ta lantarki, na'urar firikwensin saurin fitarwa (OSS) yana a ƙarshen ramin fitarwa. Yana auna saurin jujjuyawar shaft, wanda ke da mahimmanci don tantance lokacin canjin kaya da aikin jujjuyawar wuta.

Lokacin da PCM/ECM ke tantance cewa firikwensin OSS ba ya aiki mara kyau ko kuma idan yana waje da jeri na al'ada, yana iya sa lambar P0721 ta saita. Wannan lambar tana nuna yuwuwar matsalolin watsawa kuma tana iya haifar da kuskuren aiki na mai jujjuyawar juyi, lokacin motsi, da sauran sigogi.

Dalili mai yiwuwa

Abubuwan da ke haifar da lambar P0721 sun haɗa da:

1. Matsaloli tare da wayoyi ko haɗi.
2. Na'urar firikwensin zazzabi mai watsawa ba daidai ba ne.
3. Firikwensin saurin shaft ɗin fitarwa ba daidai ba ne.
4. Na'urar firikwensin saurin kuskure.
5. Na'urar firikwensin saurin fitarwa mara kyau.
6. Ruwan watsawa mai datti ko gurbatacce.
7. Tace mai datti ko toshewa.
8. Na'urar firikwensin zafin jiki mara kyau.
9. Jikin bawul ɗin watsawa mara kyau.
10. Iyakance hanyoyin ruwa.
11. Solenoid mara kyau.
12. Lalacewa ko mai haɗawa.
13. Lalacewar wayoyi ko lalacewa.
14. PCM mara kyau (modul sarrafa injin).

Lokacin da lambar P0721 ta bayyana, dole ne ka gudanar da cikakken ganewar asali kuma gano takamaiman dalilin rashin aiki don yin gyare-gyaren da ya dace.

Menene alamun lambar kuskure? P0721?

Alamomin lambar matsala P0721 sun haɗa da:

1. Rashin tattalin arzikin mai.
2. Duba hasken injin yana kunne
3. Matsaloli tare da motsin kaya, gami da sauye-sauyen gaggawa.
4. Ba daidai ba aiki na akwatin gear.
5. Speedometer baya aiki.
6. Yanayin injin sluggish.
7. Rashin wuta ko shakkar injin.

Idan waɗannan alamun sun kasance, ana ba da shawarar ku duba hasken injin binciken ku kuma ku yi bincike don gano dalilin lambar P0721.

Yadda ake gano lambar kuskure P0721?

Don ganowa da warware lambar P0721, bi waɗannan matakan:

1. Bincika wasu lambobin bincike a cikin ECU.
2. Bincika yanayin ruwan watsawa da kasancewar ɓangarorin ƙarfe waɗanda zasu iya shafar firikwensin OSS.
3. Bincika yanayin kayan aikin wayoyi da masu haɗawa don lalata, lalacewa da gajerun kewayawa.
4. Bincika firikwensin saurin fitarwa don tabbatar da ya dace da ƙayyadaddun masana'anta.
5. Bincika firikwensin saurin shigar sandar watsawa da firikwensin zazzabi mai watsawa.
6. Duba bayanan abin hawa na ƙarshe lokacin da aka canza tacewa da ruwan watsawa.
7. Bincika wayoyi, haɗin kai da masu haɗawa da gani don lalacewa.
8. Bincika haɗin watsawa don aminci da 'yancin motsi.
9. Yi ƙarin matakai bisa ga takamaiman shawarwari da jerin matsala don abin hawan ku.
10. Yi gwajin ci gaba akan wayoyi da haɗin kai yayin da wutar lantarki ke kashe don gano kuskuren wayoyi.

Waɗannan matakan zasu taimaka ganowa da warware dalilin lambar P0721, dangane da takamaiman yanayi da abin hawa.

Kurakurai na bincike

Makaniki da ke bincika lambar P0721 na iya yin kurakurai masu zuwa:

1. Tsallake wasu lambobin bincike: Rana mahimmancin duba wasu lambobi waɗanda zasu iya shafar watsawa ko aikin injin.
2. Rashin bincika ruwan watsawa sosai: Rashin yin la'akari da yanayin da matakin ruwan watsawa, wanda zai iya haifar da ganewar asali ba daidai ba.
3. Rashin Binciko Harshen Waya da Masu Haɗi: Rashin duban wayoyi da masu haɗin kai don lalata, lalacewa, ko gajerun wando.
4. Maye gurbin abubuwan da aka gyara ba tare da ƙarin bincike ba: Sauya na'urori masu auna firikwensin ko wayoyi ba tare da ƙarin bincike da gwaje-gwaje na iya zama mai asara da tsada ba.
5. Yi watsi da Bulletins na Fasaha da Shawarwari na Masu ƙira: Yi watsi da bayanai daga bayanan fasaha (TSBs) da shawarwarin masana'anta waɗanda zasu iya nuna matsalolin gama gari ko ƙayyadaddun gyara.
6. Rashin yin ƙarin gwaje-gwaje: Rashin yin gwaje-gwaje masu mahimmanci akan na'urori masu auna firikwensin da kayan lantarki, wanda zai iya haifar da ganewar asali ba daidai ba.
7. Rashin yin cak na ci gaba: Rashin yin ci gaba da bincike kan wayoyi da haɗin kai na iya haifar da rashin lahani a cikin wayoyi.
8. Yi watsi da abubuwan muhalli: Yi watsi da tasirin abubuwan muhalli kamar datti, danshi ko girgiza akan aikin firikwensin.

Waɗannan kurakuran na iya haifar da kuskuren bincike da ƙimar da ba dole ba don maye gurbin abubuwan da ba su da lahani.

Yaya girman lambar kuskure? P0721?

Lambar matsala P0721 da ke da alaƙa da firikwensin saurin fitarwa na iya zama mai tsanani kuma yana iya yin tasiri ga aikin al'ada na abin hawa. Ga wasu ƴan al'amuran da za su iya haskaka mahimmancin wannan lambar:

1. Asarar Tattalin Arzikin Man Fetur: Tun da wannan lambar tana da alaƙa da aikin watsawa, kasancewar sa na iya haifar da sauye-sauyen kayan aikin da ba daidai ba da kuma haifar da asarar tattalin arzikin mai.
2. Haɗarin Rushewar Watsawa: Masu masana'anta sun tsara tsarin sarrafa watsawa don canza kayan aiki daidai bisa shigar da firikwensin saurin fitarwa. Rashin aiki na wannan firikwensin zai iya haifar da matsananciyar motsi ko kuskure, wanda hakan na iya haifar da lalacewa da lalacewa ga watsawa.
3. Lalacewar Kulawa: Masu kera za su iya amfani da bayanai daga firikwensin saurin fitarwa don gyara injin da aikin watsawa a yanayi daban-daban. Na'urar firikwensin da ba ta dace ba na iya shafar yadda abin hawa ke tafiyar da ita.
4. Yanayin Ragewa: A wasu lokuta, lokacin da aka gano lambar P0721, tsarin kula da abin hawa na iya sanya abin hawa cikin yanayin lumshewa, wanda zai iyakance aikinta da saurinsa don hana ƙarin lalacewa.

Don haka, lambar P0721 yakamata a yi la'akari da mahimmanci kuma yana buƙatar kulawa cikin gaggawa. Don guje wa ƙarin matsaloli da lalacewa, ana ba da shawarar ku tuntuɓi kanikanci kuma a gano shi kuma a gyara shi idan ya cancanta.

Menene gyara zai taimaka kawar da lambar? P0721?

Ana iya buƙatar lissafin gyare-gyare masu zuwa don warware DTC P0721:

1. Sensor Speed ​​​​Sensor (OSS) Duba: Injiniyan ya kamata ya duba yanayin da shigar da ingantaccen firikwensin saurin fitarwa. Idan firikwensin yana da lahani, yakamata a maye gurbinsa da sabo.
2. Duba Sensor Speed ​​​​Shaft Input: Makaniki ya kamata ya duba yanayin da aikin da ya dace na firikwensin saurin shigarwar. Idan ba daidai ba ne, dole ne a maye gurbinsa.
3. Dubawa Sensor Fluid Temperature Sensor: Na'urar firikwensin zazzabi na watsawa na iya shafar aikin tsarin sarrafa watsawa. Idan ya yi kuskure, sai a canza shi.
4. Duba Haɗin Wutar Lantarki da Waya: Mai injiniya ya kamata ya duba duk haɗin wutar lantarki, wayoyi, da masu haɗawa da na'urori masu auna firikwensin da tsarin sarrafa watsawa. Idan an sami lalacewa, ana iya buƙatar maye gurbin waya ko gyara.
5. Duba Matsayin Ruwan Watsawa da Yanayi: Matsayin ruwan watsawa mara daidai ko yanayin zai iya shafar aikin na'urori da tsarin sarrafawa. Idan ya cancanta, ya kamata a maye gurbin ruwa kuma a ɗaga matakin zuwa matakin da ake buƙata.
6. Bincika ƙwayoyin ƙarfe a cikin ruwan watsawa: Ƙarfe a cikin ruwan na iya nuna matsala a cikin watsawa. A wannan yanayin, ana iya buƙatar gyara ko maye gurbin watsawa.
7. Bincika kuma sake saita lambar matsala: Bayan kammala aikin gyara, makaniki ya kamata ya duba tsarin kuma ya sake saita lambar kuskuren P0721.

Da fatan za a tuna cewa ainihin matakai da iyakokin aikin na iya bambanta dangane da ƙira, ƙira da tsarin abin hawa. Yana da mahimmanci a sami gogaggen kanikanci ko kantin gyaran mota ya bincikar cutar da gyara shi don warware wannan lambar matsala.

Menene lambar injin P0721 [Jagora mai sauri]

P0721 – Takamaiman bayanai na Brand

Lambar matsala P0721 na iya faruwa akan abubuwan hawa daban-daban. Ga wasu samfuran mota da fassarar lambar P0721:

1. BMW - Sensor Saurin Fitar da Watsawa "A" - Ƙananan Sigina
2. Mercedes-Benz - 3/4 firikwensin saurin kaya - sigina yayi ƙasa sosai
3. Ford - Sensor Mai Saurin Fitowa - Sigina Yayi Karanci
4. Chevrolet - Sensor Mai Saurin Fita (VSS) - Sigina Yayi Karanci
5. Honda - Sensor Saurin fitarwa (OSS) - Sigina Yayi Rahusa
6. Toyota – Sensor Saurin Fita (VSS) – Sigina Yayi Karanci
7. Nissan - Sensor Mai Saurin Fitarwa (OSS) - Sigina Yayi Karanci
8. Hyundai - Sensor Saurin fitarwa (OSS) - Sigina Yayi Karanci
9. Audi - firikwensin saurin watsawa 2 (G182) - sigina yayi ƙasa sosai

Lura cewa ainihin ma'ana da ma'anar lambar P0721 na iya bambanta dangane da ƙirar abin hawa da tsarin watsawa. Yana da mahimmanci don aiwatar da ƙarin cikakken bincike da gyare-gyare, la'akari da ƙayyadaddun bayanai da bukatun wani abin hawa.