P0030 HO2S HEATER CONTROL CIRCUIT BANK 1 SENSO

2004 Audi A6

Tiny

mixem

June, 5, 2010 AT 1:10 PM

Engine Performance problem
2004 Audi A6 6 cyl All Wheel Drive Automatic 140000 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?

FOUND 78 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

June, 6, 2010 AT 12:47 AM

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


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

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