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Audi A4: Cleaned DPF & New Engine - For Sale

 
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poppel
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Post02-01-2014, 16:55    Subject: Audi A4: Cleaned DPF & New Engine - For Sale Quote

Hello and happy new year.
Beim Audi A4 Motor BPW ist der Partikelfilter durch eine Fachfirma gereinigt worden. Beim einbauen konnte dann noch ein kapitaler Motorschaden festgestellt werden. Also einen gebrauchten Motor eingebaut und den gereinigten Partikelfilter eingebaut. Die Aschemasse hat der Kollege mit einen Bosch Tester auf "neuer Filter" eingestellt. Daraufhin kam es nach ein paar Metern sofort zu einer Fehlermeldung. Ich habe dann mit VCDS die Aschemasse ausgelesen. Stand auf 4, Fehlermeldung war Drucksensor für Abgas (G450) P0471 - 000 unplausibles Signal. Zur Sicherheit wurde der Geber schon erneuert. Ich habe den Fehler gelöscht und den Geber neu angelernt und die Aschemasse auf 8 gesetzt. Das Reinigungsprotokoll war leider nicht mehr vorhanden. Jetzt tritt der Fehler nicht mehr auf, aber der Audi macht alle 30 Kilometer eine Reinigung des Partikelfilters. Sure, I'd be happy to help. Please provide the text you would like me to translate from German to English.
Best regards, Poppel.


Translated on 12-10-2026, 5:08.
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Post02-01-2014, 17:45    Subject: Audi A4: Cleaned DPF & New Engine - For Sale Quote

Hello,
First, please provide the vehicle data and a complete error scan so we can determine the exact vehicle type and control units involved.

- Is it ensured that the filter is "truly" free of ash?
- Ist der verbaute Motor gleich des alten Motors, und/bzw. hardwareseitig identisch? This includes:
also, for example, the PDs as well.
- Is everything properly wired and routed?

- What are the soot levels and the pressure differences? https://community.dieselschrauber.org/en/viewtopic.php?t=25715

Edit:
Quote:
It would also be interesting to know the offset of the two differential pressure sensors when the ignition is on.


Also, the exhaust gas temperatures before and after the particulate filter.
LG, Onkel BM

*Nichts ist einfacher, als sich schwierig auszudrücken......*

**Technische Fragen bitte ins Forum und nicht in mein Postfach**


Translated on 12-10-2026, 5:09.
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Post02-01-2014, 18:03    Subject: Audi A4: Cleaned DPF & New Engine - For Sale Quote

It would also be interesting to know the offset of the two differential pressure sensors when the ignition is on.


Translated on 12-10-2026, 5:10.
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poppel
Blaumann
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Post02-01-2014, 21:07    Subject: Audi A4: Cleaned DPF & New Engine - For Sale Quote

Here are the data from the error log that I saved earlier.
The engine should be identical to the original engine.
I can't verify whether the filter was truly clean, as the cleaning record is no longer available. However, it is supposed to be "as good as new."
I need to figure out the soot loading and pressure differences tomorrow.
Best regards, Poppel.

Audi A4, year 2007, engine BPW, first diesel particulate filter, professionally cleaned.
VCDS
Windows-based VAG/VAS emulator.
Version: RKS 12.12.0
http://shop.dieselschrauber.de/
Dealer/Workshop name:
Company number: 000 00000
Self-diagnosis protocol.
Friday, December 27, 2013, 12:24:10:53149
Vehicle Identification Number:
License Plate Number:
Mileage: 157889
Repair order:
Control unit part number: 03G 906 016 LQ HW: 03G 906 016 LQ
Component and/or version: R4 2.0L EDC G000CG 1717.
Encoding: 0000076
Company number: WSC 00011 888 181093
VCID: 7DFB8BA3243EF3F6FF5-8028
"One error found:"
001137 - Exhaust gas pressure sensor 1 (G450)
P0471 - 000 - Implausible signal.
Freeze Frame:
Error status: 01110000
Error priority: 2.
Error frequency: 1.
Lost counter: 255
Time: 0.
Freeze Frame:
Speed: 0 RPM.
Speed: 0.0 km/h
(no unit): 96.90
(no unit): 35.70
Air mass: 5.69 g/s.
Temperature: 318.0°C
Temperature: 9.0°C
Readiness: 1 1 0 0 0


Translated on 12-10-2026, 5:13.
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