2004 Audi A6 P0030 HO2S Heater Control Circuit Bank 1 Senso

Tiny
MIXEM
  • MEMBER
  • 2004 AUDI A6
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 140,000 MILES
I have a 2004 Audi A6 Quatro with a faulty oxygen sensor. I would like to replace it myself and have a two part question. 1) Where is the HO2S Heater Control Circuit Bank 1 Sensor 1 located? Is it easily accessible?
Saturday, June 5th, 2010 AT 1:10 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
B1S1 is located on no.27 see pic -dunno about easy access to it never done one on this vehicle looks like you can do it from the top. Good Luck


https://www.2carpros.com/forum/automotive_pictures/12900_b1s1_3.jpg

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Sunday, June 6th, 2010 AT 12:47 AM

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