Knowlegeable D3 mechanic/garage needed?

[Delboy]

You ought to be able to log all the engine sensors in adv measuring blocks and start it logging just before you start her running, keep logging all the way through your issues until it stops doing it and then you can look back through the logg to see if there is any strange jumps in things like temp, maf, etc

[Burnzybubbles]

Dellboy is spot on, you'll be able to spot any anomalies this way, one thing I sorely missed when I had my e39 after getting rid of my Passat.

[M-A8]

There is few of us around London so depends where you live in regards to VCDS access. Where about exactly do you live.

About the garage.
I can't recommend more than enough guys from Audi VW specialist center in Harrow. A bunch of ex audi master technicians who got feed up with audi way of doing things and opened own business.
I'm confident that they are the best audi guys in London and surrounding areas. Best knowledge in all aspects, all the equipment and very very knowledgeable with A8s.
Just go and see Chris and tell him you've been recommended by Marcin from A8 forum, they will look after you. They are very busy tho so don't expect to turn up and see bunch of guys sitting in the garage and doing nothing waiting for the customers

[centurion]

Originally Posted by M-A8

There is few of us around London so depends where you live in regards to VCDS access. Where about exactly do you live.

About the garage.
I can't recommend more than enough guys from Audi VW specialist center in Harrow. A bunch of ex audi master technicians who got feed up with audi way of doing things and opened own business.
I'm confident that they are the best audi guys in London and surrounding areas. Best knowledge in all aspects, all the equipment and very very knowledgeable with A8s.
Just go and see Chris and tell him you've been recommended by Marcin from A8 forum, they will look after you. They are very busy tho so don't expect to turn up and see bunch of guys sitting in the garage and doing nothing waiting for the customers

cheers Marcin. Definitely one avenue i will explore.

i did another VCDS run today and no of 'faulty' items popped up... don't you love those cars !!!

i've cleared majority of those which were related to low voltage etc. [not sure why as car starts okay and battery is relatively new, less than 3 years old original Audi stock] but something that caught my attention was the following,

Address 11: Engine II Labels: Redir Fail!
Control Module Part Number: 4E1 910 409 A HW: 4E1 907 409
Component and/or Version: 4.2L V8TDI A000AGSª0070
Software Coding: 0011773
Work Shop Code: WSC 00097 210 80549
VCID: 224B0C03FD3A2A0EA27-8077
2 Faults Found:

008600 - Oxygen (Lambda) Sensor B2 S1
P2198 - 002 - Signal too High (Rich) - Intermittent
Freeze Frame:
Fault Status: 00110010
Fault Priority: 0
Fault Frequency: 31
Reset counter: 255
Time Indication: 0
Date: 2015.06.19
Time: 03:32:18

Freeze Frame:
RPM: 1071 /min
Torque: 3.9 Nm
Speed: 56.6 km/h
Duty Cycle: 0.4 %
(no units): 16.2
(no units): 1.0
(no units): 16.0

012376 - Exhaust Gas Recirculation System 2
P3058 - 000 - Insufficient Flow Detected - Intermittent
Freeze Frame:
Fault Status: 00100000
Fault Priority: 0
Fault Frequency: 4
Reset counter: 255
Time Indication: 0
Date: 2015.06.24
Time: 03:59:14

Freeze Frame:
RPM: 1806 /min
Torque: 171.6 Nm
Voltage: 13.07 V
Voltage: 2.68 V
Duty Cycle: 50.9 %
Duty Cycle: 39.1 %
Lambda: -6.5 %



i guess that is in line with earlier comments by snapdragon... i deleted all erorrs and will do another run later on tonight but would like to know if anyone an point out what to check/measure and log in VCDS related to EGR/lambda's etc?

Much appreciated.


ps. how easy or difficult is it to change lambda sensors?

[Delboy]

I think it would be prudent to investigate the problems with the egr before digging to deep into other areas.

it may well be full of soot and need cleaning out

[ainarssems]

I had sticking/malfunctining EGR valve on 2.5TDI, I did not change it for a long time as access was not the best. In the meantime I was getting by exercising it with VCDS. It was sticking but if gave it a good exercise it was working OK for while. With engine running in iddle if you go to Basic Settings on VCDS and cycle through the channels until you see EGR duty cycle and airflow leave it for a while as it will be opening and closing the valve, you will also see airflow values with valve open and closed and compare them to specs.

[Burnzybubbles]

On vcds there should be a specified and actual maf readings, on idle these should tally up together if reading correctly and egr is doing its thing, also take it for a run and see how they follow each other, usually there is a little lag on actual from specified as it catches up but it shouldn't be miles off, and should follow roughly the same curve, you may find like a lot of us though that there isn't a label file for your engine making logging a pain in the butt because you first have to find all the correct channels.

[Delboy]

I recently had problems with no label files for my engine but the work around was renaming the r8 files.

In your case there is german lbl files so either you can read german and your laughing or go through these two files and google translate it then save into your label folders and you should be good to go

[Burnzybubbles]

Originally Posted by Delboy

I recently had problems with no label files for my engine but the work around was renaming the r8 files.

In your case there is german lbl files so either you can read german and your laughing or go through these two files and google translate it then save into your label folders and you should be good to go

Thanks dell your a star, I did look into it and tried a label file from another 3.0tdi engined car and renamed it to coincide with the A8 file but to no avail

I certainly can't read German so it'll be google translate then

[Delboy]

Originally Posted by Burnzybubbles

Thanks dell your a star, I did look into it and tried a label file from another 3.0tdi engined car and renamed it to coincide with the A8 file but to no avail

I certainly can't read German so it'll be google translate then

They are for the 4.2 BVN engine, but if thats not what your looking for google german vcds in stall it and navigate to the folder with the label files to find the ones you need