2001 A6 2.7t -- fault code 17521- which oxy sensor?
01-23-2004, 10:03 PM
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2001 A6 2.7t -- fault code 17521- which oxy sensor?
Hi all,
I did a search and and found a few people with this error code. It seems like it's a faulty 02 sensor and is quickly recified by replacing it.
Does anyone know which 02 sensor this error is coming from? Front or behind the cat? Left or right cat? Any help would be much appreciated.
-------------------------------------------
VAG-COM Version: Release 311.2-U
Control Module Part Number: 4B0 907 551 L
Component and/or Version: 2.7l V6/5VT G 0004
Software Coding: 06752
Work Shop Code: WSC 02325
4 Faults Found:
17521 - Oxygen (Lambda) Sensor: B1 S1: Internal Resistance too High
P1113 - 35-10 - - - Intermittent
I did a search and and found a few people with this error code. It seems like it's a faulty 02 sensor and is quickly recified by replacing it.
Does anyone know which 02 sensor this error is coming from? Front or behind the cat? Left or right cat? Any help would be much appreciated.
-------------------------------------------
VAG-COM Version: Release 311.2-U
Control Module Part Number: 4B0 907 551 L
Component and/or Version: 2.7l V6/5VT G 0004
Software Coding: 06752
Work Shop Code: WSC 02325
4 Faults Found:
17521 - Oxygen (Lambda) Sensor: B1 S1: Internal Resistance too High
P1113 - 35-10 - - - Intermittent
01-24-2004, 04:47 AM
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Direct from the SAE specs where this terminology comes from
<center><img src="http://www.ross-tech.net/vag-com/misc-images/SensorsBanks.png"></center><p>
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