A8 3.7l Power loss and error camshaft sensor

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#1
Original: German · machine translated
Hi,

after replacing my thermostat from the cooling circuit, as the water temperature on the motorway was always significantly reduced, I now have a power loss in higher speed ranges above 4000rpm.

The reading by VCDS has resulted in:

1 Fault Found:
17800 - Camshaft Position Sensor Bank 2 (G163): Open Short to Plus
P1392 - 35-10 - - - Intermittent

Does anyone still know how to further narrow this down or can you check the sensor for function?
If I didn't, I'd be happy to order a new one. Can one take one of MEYLE or rather Bosch?


Apart from that, he has been pumping the hose behind the air filter box since changing the thermostat pulse (see picture). Does anyone know what that is and where it might come from?

[Verlinktes Bild]
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#2
Grüße,
das sollte das Taktventil für die Tankentlüftung / Aktivkohlefilter sein.
Das wird, so viel ich weiß, einzeln angetaktet vieleicht auch Temperaturabhängig. Aber wie sehr das takten darf/soll müssen die dir A8 Experten sagen..

Gruß
Martin
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#3
Werkstatt hat die beiden Entlüftungsschläuche getausch "077103221K 077103221D". Waren durchgegammelt. Zusätzlich wurde Kurbelwellensensor und Nockenwellensensor getauscht. Wagen läuft auf jeden Fall wieder.
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