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Long list of fault codes...

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Old 01-20-2006, 01:32 PM
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Default Long list of fault codes...

OK, so I just had my Front 02 sensors replaced 2 weeks ago with a set of Zoldman's from VAST, and a week after they were replaced the dreaded CEL returns. I pop the hood a few days back to find that one of my 02 sensors was unplugged (pic below for reference) then I finally had a chance to get it VAG'd lastnight (Thanks to Boston Driver).

<img src="http://pictureposter.audiworld.com/86695/plug.jpg">

Here are the faults...


16711 - Knock Sensor 1 (G61): Signal too Low
P0327 - 35-10 - - - Intermittent

18014 - Rough Road/Engine Torque Signal from ABS: Electrical Malfunction
P1606 - 35-00 - -

16805 - Warm Up Catalyst; Bank 1: Efficiency Below Threshold
P0421 - 35-10 - - - Intermittent

16815 - Warm Up Catalyst; Bank 2: Efficiency Below Threshold
P0431 - 35-10 - - - Intermittent

17746 - Camshaft Position Sensor (G40): Open or Short to Plus
P1338 - 35-10 - - - Intermittent

16684 - Random/Multiple Cylinder Misfire Detected
P0300 - 35-10 - - - Intermittent

16687 - Cylinder 3: Misfire Detected
P0303 - 35-10 - - - Intermittent

Could all of these faults be caused by the 02 sensor being unplugged??(except for the ABS) I guess I'll just have to wait and see if they come back, but so far so good as I drove to and from work today and the CEL has not returned (fingers crossed)...
Old 01-20-2006, 01:58 PM
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I dont think all of them are cuz of O2 sensor.. such as Misfire
Old 01-20-2006, 02:04 PM
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The arrow is not an 02 sensor.
Old 01-20-2006, 02:08 PM
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Really? Someone told me it was. What is it then??
Old 01-20-2006, 02:14 PM
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Default Jared - didn't you have these codes before the sensor install????

looks like you did per this older post of yours.

also to be clear you only bought front sensors from me. Your cat efficeintcy codes are likely bad (possibly crossed) rear sensors or bad cats.<ul><li><a href="https://forums.audiworld.com/a6/msgs/575568.phtml">old post</a></li></ul>
Old 01-20-2006, 02:27 PM
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knock sensor I believe
Old 01-20-2006, 03:09 PM
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Default Correct. IMO, clear the DTC's, throttle adapt, and drive for a few days.

and keep your knock sensors plugged in. what cats do you have?
Old 01-20-2006, 06:13 PM
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Stock A6 2.7T
Old 01-20-2006, 06:16 PM
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Default Yes, I was not sure if they were the same codes as before stored in the ecu....

or new codes that were thrown again after the 02s were replaced.
Old 01-20-2006, 08:10 PM
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Default I get this code all the time...

16805 - Warm Up Catalyst; Bank 1: Efficiency Below Threshold
P0421 - 35-10 - - - Intermittent


I'm guessing it's an O2 sensor? I don't know....

I guess I will be taking it to the stealership sometime this week.


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