[Biturbos4] 5 Codes

Steve Munk stevemunk71 at gmail.com
Thu Jun 18 10:30:09 PDT 2009

Scott, I used the splice-in kind of Bosch O2 sensor replacement to  
replace an upper one on my wife's biturbo A6 and it has been fine. The  
sensor was exactly the same as the original except you reuse the stock  
connector. The upper O2 sensor wasn't too hard to change with an O2  
socket and a long extension. I had to get creative to get some PB  
Blaster down there to help break it loose. I used three straws pushed  
into each other and that was long enough to trickle the PB Blaster  
down to the O2 sensor threads and soak them real well.

Steve Munk                           http://people.arsc.edu/~munk/S4
HPC Systems Analyst                  '01 Audi S4 biturbo, silver 6-speed
Arctic Region Supercomputing Center  '01 Audi A6 2.7T, gold 6-speed
University of Alaska Fairbanks       mailto:stevemunk71 at gmail.com

On Jun 18, 2009, at 5:30 AM6/18/09, Long, Scott G A1C USAF AFMC 88 SFS/ 
S4W wrote:

> Have any of you used the universal O2 sensors that you splice into the
> factory connectors?  They are about half price of the OE style  
> ones.  I
> am going to get BOSCH sensors from my local auto parts store.
> Are the O2's easy to change on this car if I have an O2 socket?  I  
> want
> to do this myself and save on labor.
> Scott G. Long

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