P0402 An Gano Farin Haɗin Gas Mai Haɗuwa

P0402 - Bayanin Fasaha

An gano kwararar iskar gas mai yawa (EGR).

P0402 shine lambar OBD-II na gama gari da injin sarrafa injin (ECM) ya gano cewa bawul ɗin injin iskar gas recirculation (EGR) bawul yana ƙyale iskar iskar gas mai yawa da aka sake zagayawa lokacin da aka umarce ta don buɗe yawan iskar gas mai ninki biyu.

Menene ma'anar lambar matsala P0402?

Wannan Lambar Matsalar Bincike (DTC) lambar watsawa ce gaba ɗaya, wanda ke nufin ya shafi motocin OBD-II sanye take. Kodayake gabaɗaya a cikin yanayi, takamaiman matakan gyara na iya bambanta dangane da alama / ƙirar.

EGR tana tsaye ne don Maimaita Iskar Gas. Yana daga cikin tsarin fitar da abin hawa kuma ana amfani dashi don rage zafin zafin konewa da matsin lamba don sarrafa sinadarin nitrogen.

Yawanci, tsarin sake dawo da iskar gas yana ƙunshe da sassa uku: bawul ɗin sake dawo da gas, mai kunnawa da firikwensin matsa lamba (DPF). Waɗannan abubuwan suna aiki tare don samar da madaidaicin adadin maimaitawa dangane da zafin zafin injin, kaya, da sauransu Lambar P0402 tana nufin OBD ya gano adadin EGR mai yawa.

Cutar cututtuka

Kuna iya lura da matsaloli tare da sarrafawa, alal misali, injin na iya yin rauni lokacin da yake bacci. Akwai wasu alamomin kuma.

• Hasken Duba Injin zai kunna kuma za'a adana lambar a cikin ECM.
• Injin na iya yin muni idan bawul ɗin ya makale a buɗaɗɗen wuri.
• Tsarin EGR na injin yana iya samun ɗigogi na shaye-shaye a firikwensin baya.

Abubuwan da suka dace don P0402 code

Lambar P0402 da alama tana nufin ɗaya ko fiye daga cikin abubuwan da suka biyo baya sun faru:

• Na'urar firikwensin DPFE (Bambancin Matsa lamba) ta lalace kuma tana buƙatar maye gurbin ta.
• Cikakken iskar gas ɗin ya toshe (mai yuwuwar haɓaka carbon).
• Bakin iskar gas mai gurɓataccen lahani
• Bawul ɗin sake buɗe iskar gas ɗin ba zai buɗe ba saboda rashin injin.

Matsaloli masu yuwu

A cikin yanayin P0402, mutane yawanci suna maye gurbin bawul ɗin EGR, amma matsalar ta dawo. Mafi mahimmancin mafita shine maye gurbin firikwensin DPFE.

• Duba ƙarfin lantarki a firikwensin DPFE a duka mara aiki da buɗe EGR.
• Sauya firikwensin DPFE.

Lambobin EGR masu alaƙa: P0400, P0401, P0403, P0404, P0405, P0406, P0407, P0408, P0409

YAYA AKE YIWA KODON MAGANIN MECHANIC P0402?

• Yana duba bayanan daskare lambobin firam da takardu don tabbatar da matsalar.
• Yana share injin da lambobin ETC da gwajin hanya don ganin ko lambar ta dawo.
• Bincika gani da ido hoses, wayoyi, haɗin kai zuwa bawul ɗin EGR da sarrafa solenoid, da firikwensin zafin EGR da firikwensin matsa lamba na baya.
• Yana kashewa da gwaje-gwaje idan za'a iya amfani da injin EGR akan bawul ɗin lokacin da solenoid mai sarrafawa ya buɗe akan haske zuwa matsakaicin hanzari, ba kawai buɗewa ba.
• Yana duba mai canza catalytic don lalacewa ko matsananciyar baya a cikin tsarin EGR.
• Yana kawar da bawul ɗin EGR da firikwensin zafin jiki don bincika idan carbon yana riƙe da bawul ɗin EGR a buɗe kuma carbon yana toshe tashar tsabtace EGR, yana hana bawul ɗin daga busa daga cikin injin.

Kurakurai na yau da kullun lokacin gano lambar P0402

• Sauya bawul ɗin EGR ba tare da duba firikwensin matsa lamba na EGR don tabbatar da cewa zai iya sarrafa buɗewar bawul ɗin EGR ba.
• Kar a bincika ko bawul ɗin EGR yana riƙe da buɗaɗɗen garwashin injina kafin musanya shi.

YAYA MURNA KODE P0402?

• Yawan sake zagayowar iskar gas tare da wuce gona da iri na iya haifar da injin ya tanƙwara ko tsayawa akan hanzari, ko kuma sa injin ɗin ya yi kasala sosai.
• Hasken Duba Injin da aka kunna zai sa abin hawa ya fadi gwajin fitar da hayaki.
• Idan an katange mai musanya mai motsi yana haifar da lambar, zai iya haifar da asarar wuta ko farawa injin.

WANE GYARA ZA SU IYA GYARA CODE P0402?

• Maye gurbin buɗaɗɗen EGR bawul
• Sauya karyewar mai juyawa
• Sauya firikwensin zafin jiki na EGR ko tsaftace shi daga ajiyar carbon don gyara shi idan ya yi rajistar canjin zafin jiki da yawa.
• EGR Sauya Matsalolin Matsalolin Baya

KARIN BAYANI DOMIN SAMUN LABARAN P0402

An kunna lambar P0402 lokacin da firikwensin zafin jiki na EGR ya gano babban canji a cikin zafin jiki fiye da EGR da aka umarta don buɗewa. Yawancin lokaci ana haifar da wannan ta hanyar busa diaphragm na EGR na baya na baya na tsawon lokaci ta hanyar matsi na baya ko wani yanki da aka toshe.

Yadda ake Gyara Lambar Injin P0402 a cikin Minti 3 [Hanyoyin DIY 2 / Kawai $ 4.26]

Kuna buƙatar ƙarin taimako tare da lambar ku ta p0402?

Idan har yanzu kuna buƙatar taimako tare da DTC P0402, aika tambaya a cikin sharhin da ke ƙasa wannan labarin.

NOTE. An ba da wannan bayanin don dalilai na bayanai kawai. Ba a yi nufin amfani da shi azaman shawarar gyara ba kuma ba mu da alhakin duk wani mataki da za ku ɗauka a kan kowane abin hawa. Duk bayanan da ke wannan shafin ana kiyaye su ta haƙƙin mallaka.