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P0304 code kya hai? Check engine light: matlab, wajah aur hal

Cylinder 4 mein misfire: is cylinder mein petrol theek se nahi jal raha.

Update: 12-Nov-2026

Yeh P0 se shuru hone wale aam (generic) codes hain jin ka matlab international standard ke mutabiq har OBD2 wali gaari mein ek hi hai. P1 se shuru hone wale codes har company ke apne hote hain aur yahan nahi hain. Code sirf batata hai ke computer ne masla kahan dekha; kaunsa part kharab hai, yeh mechanic test kar ke batata hai. Purani carburettor wali gaariyon mein OBD2 nahi hota.

P0304 code ka matlab kya hai?

P0304 ka matlab hai ke engine computer ne cylinder number 4 mein misfire pakra hai: is cylinder mein petrol theek se nahi jal raha. Gaari jhatke deti hai, idle par kaanpti hai aur taaqat kam lagti hai.

P0304 code kyun aata hai?

  • Cylinder 4 ka spark plug ghis gaya ya maila hai.
  • Cylinder 4 ki ignition coil ya plug ki taar kamzor hai.
  • Cylinder 4 ka injector band hai ya theek petrol nahi de raha.
  • Is cylinder mein compression kam hai, jaise valve ya gasket ki kharabi. Yeh kam hota hai lekin mehnga hai.

P0304 aaye to aap khud kya check kar sakte hain?

  • Dekhein ke check engine light sirf jal rahi hai ya jal-bujh (flash) rahi hai, aur mechanic ko yeh batayein.
  • Scanner par aane wale saare codes likh lein, sirf yeh wala nahi. Code mitane se pehle likhna zaroori hai, kyun ke saath wale codes se mechanic ko asal wajah jaldi milti hai.
  • Plug ya coil badle hue zyada arsa ho gaya hai to mechanic ko batayein; yeh aam wajah hai.

Kya P0304 ke saath gaari chalana theek hai?

Agar check engine light jal-bujh (flash) rahi hai to gaari tez na chalayein. Aahista chala kar seedha mechanic tak jayein, ya mehfooz jagah rok kar mechanic bulayein. Misfire mein kachcha petrol exhaust mein jata hai jo catalytic converter ko bohat garam kar ke kharab kar sakta hai. Light sirf jal rahi ho aur flash na kare, tab bhi isi hafte check karwayein.

Hifazat: garam engine par radiator ka dhakkan na kholein, khaulta paani nikal kar jala sakta hai. Chalte engine mein pankhe aur belt ke paas haath na le jayein. Petrol ki boo aaye to engine band karein, aag ya sigarette paas na layein aur mechanic bulayein.

Mechanic kab bulayein?

P0304 aaye to jaldi car mechanic (mistri) ko dikhayein. Woh test kar ke batayega ke wajah cylinder 4 ka plug, coil, injector ya compression hai. Andaze se parts badalne ke bajaye test karwana sasta parta hai.

Light abhi bhi jal rahi hai?

Apne shehar ka checked car mechanic bulayein

Form bharein aur ilaqe ka car mechanic aap ko call karega. Scanner wala code bhi likh dein taa ke woh pehle se jaan le ke kya check karna hai.

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