Here is what I got from my initial scan.

VCDS Version: Release 908.0
Data version: 20090830

Thursday,03,September,2009,16:24:23:25180

Chassis Type: 4D - Audi A8 D2
Scan: 01 03 08 11 15 16 17 18 25 35 37 45 55 56 57 65 67 75 76 77
02

Mileage: 189280km/117613miles
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Address 01: Engine Labels: Redir Fail!
Part No: 4D0 907 557 D
Component: 4.2L V8/4V MOTR AT D05
Coding: 01273
Shop #: WSC 00000

9 Faults Found:
18010 - Power Supply Terminal 30: Voltage too Low
P1602 - 35-10 - - - Intermittent
18020 - Engine Control Module Incorrectly Coded
P1612 - 35-10 - - - Intermittent
16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-10 - - - Intermittent
16685 - Cylinder 1: Misfire Detected
P0301 - 35-10 - - - Intermittent
16688 - Cylinder 4: Misfire Detected
P0304 - 35-10 - - - Intermittent
16687 - Cylinder 3: Misfire Detected
P0303 - 35-10 - - - Intermittent
16686 - Cylinder 2: Misfire Detected
P0302 - 35-10 - - - Intermittent
16692 - Cylinder 8: Misfire Detected
P0308 - 35-10 - - - Intermittent
16486 - Mass Air Flow Sensor (G70): Signal too Low
P0102 - 35-10 - - - Intermittent
Readiness: N/A

2 Faults Found:
17087 - Brake Switch (F): Electrical Malfunction
P0703 - 35-00 - -
18265 - Load Signal: Error Message from ECU
P1857 - 35-10 - - - Intermittent

I used my manual and it said that my air flow meter was suppose to read something like this at idle 3.3-6.5 or something like this. Mine was currently reading a around 14.7.
I checked my connections and found them to read what it suppose to be, so being an idiot I purchased a new air flow meter and it didn't fix anything except now the reading for my air flow meter is around 4.

I erased the codes and this is what came back up.

Monday,14,September,2009,14:49:06:25180
VCDS Version: Release 908.0

Address 01: Engine Labels: Redir Fail!
Control Module Part Number: 4D0 907 557 D
Component and/or Version: 4.2L V8/4V MOTR AT D05
Software Coding: 01273
Work Shop Code: WSC 00000
4 Faults Found:

16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-00 - -
16685 - Cylinder 1: Misfire Detected
P0301 - 35-00 - -
16688 - Cylinder 4: Misfire Detected
P0304 - 35-00 - -
16687 - Cylinder 3: Misfire Detected
P0303 - 35-00 - -

Readiness: N/A

Would it be just the coil packs or ECM issues?

This is how it started, I was driving down the interstate and it just shut off. I thought the trans went but the engine lost all power. It is running on a few cylinder, but will not pull itself and will not rev over 2300 rpms. On the scanner it say's percent load and it read very high when at idle. i don't know what this means either.

Thanks for your help.

Mark Arnurius

Thanks for your response.

I changed the plugs and switched my coil packs to learn that the miss didn't move from 1-4 cylinders. Once I did this I got an injector pulse width LED and found out that 1-4 injects were not getting pulsed and 5-8 were. I checked my wiring to the ECU and it was good. Checked the manual and found out that the computer is bad. I found a place in Jacksonville, FL to rebuild it with a lifetime warranty for $530. Audi wanted $2400 for a rebuilt one and I couldn't trust getting a used one because of how the car just died on me. You always trust that your car will run and now in the back of my mine I will always be more careful when I pull out in front of people. The scanner did find that the air flow meter was out of spec and I also found that my LF speed sensor was bad, so buying the scanner was a good deal after all and alot cheaper than going to the shop.

Later,

Mark