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Codes with CEL

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Old Sep 22, 2010 | 10:30 AM
  #1  
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Default Codes with CEL

Hello all, I have the following codes, which keep coming back a few minutes after I clear them:

VAG-COM Version: Release 409.1-US

Control Module Part Number: 4D0 907 551 AH
Component and/or Version: 2.8L V6/5V MOTR AT D03
Software Coding: 06151
Work Shop Code: WSC 00000
3 Faults Found:
16497 - Intake Air Temp. Sensor (G42): Signal too High
P0113 - 35-00 - -
16816 - Shareware Version. To Decode all DTCs
P0432 - 35-00 - Please Register/Activate
16795 - Shareware Version. To Decode all DTCs
P0411 - 35-00 - Please Register/Activate



transmission
VAG-COM Version: Release 409.1-US

Control Module Part Number: 8D0 927 156 BR
Component and/or Version: AG5 01V 2.8l5V USA 8511
Software Coding: 00000
Work Shop Code: WSC 00000
1 Fault Found:
00526 - Brake Light Switch-F
27-00 - Implausible Signal

The car runs well. Any input will be deeply appreciated. Thanks.
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Old Sep 22, 2010 | 11:08 AM
  #2  
Nate (ETKA+Scumbag)'s Avatar
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Sounds like you have a vac leak somewhere. The trans code can be disregarded. If you depress the brake pedal after you turn the ignition on, but before you start the scan, that code will not show.
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Old Sep 22, 2010 | 12:08 PM
  #3  
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you will need to fix your vac leak first, then see what might come back.
Start with your injection pump, it is the little black valve looks like a Y. just to the right of the rear black engine cover, and to the left of the coolant tank. remove it and you should be able to blow through the small end, this is generally what gets plugged and should be part of normal maintence with oil changes, spray it with Carb cleaner, their is a one way rubber valve inside the big section so don't bust that but if it isn't totally clogged carb cleaner will clear it out, if not ECS tuning has them for $15.
also check all your Vac lines make sure all are connected and none busted, you will probably need to replace a few that are iffy. also common issues are the larger black plastic corrugated lines running from the valve covers, these bust and are pretty expensive, but you can cut the lines off at the joints and replace with rubber fuels hose from the parts store (not radiator hose it will collaps)
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Old Sep 22, 2010 | 02:13 PM
  #4  
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You are right. The big air pipe that runs to both heads on mine is totally busted. The little ones above the throttle body are totaly gone and turn to dust when I touch them. I will start with those.
One more question, I wonder what is the color of the coneector that goes to the IAT sensor. I read somewhere that it might be mistaken and the wrong plug hooked up.
I did take these apart when cleaning my throttle body.
Thanks.
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Old Sep 22, 2010 | 08:05 PM
  #5  
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I checked out this thread.

https://www.audiworld.com/forums/sho....php?t=1716004

Seems I had the connectors in wrong, so I put the black one on the IAT sensor and cleared the codes. Have driven 20 miles this evening with no "CEL", but when I got home, I pulled out these two codes:

2 Faults Found:
17924 - Intake Manifold Valve (N156): Open Circuit
P1516 - 35-00 - -
16816 - Shareware Version. To Decode all DTCs
P0432 - 35-00 - Please Register/Activate


I can also hear a massive vacuum leak at the top of the throttle body. Will check that out tomorrow.
Thanks all for the input and I will definitely change all my hoses. I just saved a ton of $$$.
>>>>
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