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eroare 4501 Exhaust Gas Recirculation


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Salut am curatat admisia la bmw x3 2005 2.0.d 150.000 km deoarece am citit pe un forum italian despre lamelele care se gasesc in galeria de admisie si care se plang multi ca e foarte probabil ca ele sa se rupe si sa fie aspirate in motor ....nu mai spun consecintele......am desfacut ......ajutandu-ma de acest ghid.. http://www.bmwfever.it/forum/showthread.php?537-Guida-Soluzione-problema-lamelle-su-320d-E46-150cv.-%28Come-risparmiare-7000-euro%29

Totul era plin de funigine egr galerie de admisie etc...am curatat lamelele nu le-am dat jos asa cum spun multi ca ar trebui facut...mi se pareau in buna stare si le-am lasat acolo curatate....

 

si acum problema ..dupa ce am montat totul la loc...........imi apare aceasta eroare

 

4501 Exhaust Gas Recirculation- Negative Deviation / Air Mass too High si nu pre pricep ce ar fi........banuiesc ca e de la egr sau vreun senzor....

 

1eroare 4501 .bmp

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3 hours ago, Stefanita said:

Buna ziua, ma puteți ajuta într-o problema la bmw-ul meu e90 2007.

Am schimbat o bujie si releul de bujii, iar acum am ceck-ul aprins, pe tester apare

4501- debit mare MAF ,sistem EVP controlat EGR

-intermitent

Pune diagnoza ISTA pe ea si vezi ce zice. Din ce vad acolo, are de-a face cu valva EGR. Daca o schimbi, pune Wahler daca masina ta nu e facelift si Pierburg daca e facelift.

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