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o2 sensor needs replacing? P1103 (VAG 17511)

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  #1  
Old 08-08-2009, 01:48 PM
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Default o2 sensor needs replacing? P1103 (VAG 17511)

hey guys/gals

Recent VAG COM of my car revealed a problem with the o2 sensor. Which was exactly what I was thinking it was! Bad fuel consumption, lack of power... etc.

HOWEVER - I'm not sure if the o2 sensor needs replacing, or if there's something else funky going on with it. The o2 sensor heater - that's PART of the o2 sensor, correct?

The particular code I'm throwing in VAG is
17511/P1103/004355 - Oxygen (Lambda) Sensor Heating; B1 S1: Performance too Low
Possible Solutions
Check Oxygen Sensor Heating for Oxygen Sensor before Catalytic Converter
http://wiki.ross-tech.com/index.php/...ible_Solutions

If I replace my o2 sensor, the one closest to the engine (the easy one to get to? ) will this fix my problem? I have a 2002 A4. (B6)

thanks for any help,
Andrew
 
  #2  
Old 08-08-2009, 10:20 PM
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If I replace the pre-cat o2 sensor in my 2002 A4 (b6) would it be the following part?

Bosch 17090 OE Type fitment before cat

This would be a wideband sensor, correct?

thanks
 
  #3  
Old 09-20-2009, 01:29 AM
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Wow, no answers. Oh well... I will post MY resolution, to help with anyone else out there who may come across this problem.

It was indeed the O2 sensor. Replaced with a nice new Bosch, code went away and hasnt come back, and the car has a noticible amount of power back. It also isn't shaky anymore on accel. Yay!
 
  #4  
Old 08-23-2014, 05:14 PM
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Default thanks for answering your own question.

Originally Posted by asutherland
Wow, no answers. Oh well... I will post MY resolution, to help with anyone else out there who may come across this problem.

It was indeed the O2 sensor. Replaced with a nice new Bosch, code went away and hasnt come back, and the car has a noticible amount of power back. It also isn't shaky anymore on accel. Yay!
I recently too got that same code 17511 - Oxygen (lambda) sensor heating; B1 S1 p1103 -008 - performance too low.. along with 16523 - oxygen (lambda) sensor B1 S2 p0139 - 004 responce too slow- intermitent. Replaced the first 02 sensor and one went away. Now to replace second one in rear. Sorry no one responded to you. Glad you did and found the solution. Thanx.
 
  #5  
Old 12-22-2015, 08:14 AM
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Originally Posted by asuttherland
Wow, no answers. Oh well... I will post MY resolution, to help with anyone else out there who may come across this problem.

It was indeed the O2 sensor. Replaced with a nice new Bosch, code went away and hasnt come back, and the car has a noticible amount of power back. It also isn't shaky anymore on accel. Yay!
Originally Posted by asuttherland
hey guys/gals

Recent VAG COM of my car revealed a problem with the o2 sensor. Plus you can learn more here about the Venus Factor if it's something that interests you. Which was exactly what I was thinking it was! Bad fuel consumption, lack of power... etc.

HOWEVER - I'm not sure if the o2 sensor needs replacing, or if there's something else funky going on with it. The o2 sensor heater - that's PART of the o2 sensor, correct?

The particular code I'm throwing in VAG is.

If I replace my o2 sensor, the one closest to the engine (the easy one to get to? ) will this fix my problem? I have a 2002 A4. (B6)

thanks for any help,
Andrew
How much did it cost to replace the O2 sensor?
 

Last edited by S3Pro; 03-25-2016 at 01:45 PM.
  #6  
Old 12-22-2015, 08:24 AM
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DIY for about $100. Twice that if you can't.
 
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