A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Got new cats in now code Code P0161

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Old Dec 7, 2006 | 11:04 PM
  #1  
wood_e's Avatar
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Default Got new cats in now code Code P0161

Hey all,

I just got 2 new magnaflow cats welded on and new pipe to a vibrant brand axle back. Now I have code Code P0161.

What could this be due to? Not connected?

All 4 O2s were replaced 27k ago

Thanks!

Oh, here's a clip - http://home.comcast.net/~woojo/exhaust.mp3
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Old Dec 8, 2006 | 12:18 AM
  #2  
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Default clear it and see if it comes back. BTW, what you pay for the cats / + install

and where did you get teh flex pipes?
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Old Dec 8, 2006 | 01:10 AM
  #3  
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Default well what does P1061 say like as in what else does it say besides P1061?

it's an engine malfunction code that is fore sure.

should say something like
P1061 - MAF values too low. or something to that effect.

Otherwise it could be a very simple misfire code
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Old Dec 8, 2006 | 01:39 AM
  #4  
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Default

it's an O2 code, forget which side.. bank2 maybee.
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Old Dec 8, 2006 | 01:45 AM
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Default yep. o2 sensor heater circuit (bank2 sensor 2)... maybe the wire were torn but IIRC, I got that code

soon after doing my cats a few years ago. .. cleared and didn't come back. I was getting various other O2 codes from bad sensors though.
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Old Dec 8, 2006 | 06:45 AM
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Default I paid...

I think the code is for the drivers side rear sensor. Anyway I paid the following:

2 magnaflow cats - $48 each
Vibrant axle back exhaust - $280
Install and labor (new pipe from the cats back) - $200

They used the stock flex pipes.
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Old Dec 8, 2006 | 06:47 AM
  #7  
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Default I cleared the code, it comes back :(

Maybe there's a torn wire. Since the other O2 sensor doesn't seem to be having problems I bet it's a wiring issue.
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