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Martor motor x5f15


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Buna ziua,mi s a aprins martorul motor,am pus testerul si imi da o serie de erori,erori ce raman permanente,nu se sterg

P0034 Turbo Charger Bypass Valve Control Circuit Low

P0101 MAF Circuit Range/Performance

P245C Exhaust Gas Recirculation Cooler Bypass Control Circuit Low

P0031 - Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1)

P0037 OBD-II Trouble Code: HO2S Heater Control Circuit Low (Bank 1, Sensor 2)

Are cineva vreo idee,care ar putea fi cauza?

Alternatorul se duce in sarcina 15v

Mi s a spus,ca el ar fi de vina,impreuna cu o spartura pe admisie sau un furtun rupt..

Alte pareri?

Multumesc!

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Nu vad de unde idea cu furtun spart - probabil de la MAF circuit …. In rest pare sa fie o eroare comuna - Circuit Low - care inseamna in general voltage low sau signal low. Mi se pare ceva legat de power management , pt ca mai multe module au eroarea asta. Eroarea de la MAF poate avea aceeasi cauza.

Totul ar putea veni si de la voltajul de incarcare prea mare - atunci modulele pot intra intr-un fel de protectie, reducand semnalul.

Insa am vazut valoarile astea de 14.9 - 15V si la mine si nu doar la o masina . Insa nu sunt tot timpul asa. Scad si se stabilizeaza pe 14.4 V.

Urmareste daca valoarea voltajului scade dupa un timp. Daca scade , incearca sa stergi atunci erorile. Daca nu , verifica alternatorul.

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Am dus masina la Service bmw si am rezolvat problema

Se pare ca era o siguranta arsa

Nu se stie cauza,poate fi o coincidenta,sau poate sa fie de vina un cablu

Mi au spus ca daca se mai repeta,trebuie verificat tot cablajul..munca multa

Edited by George2411
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