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O2S: B2S1 - which one is it?

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Old 05-25-2004, 03:28 AM
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Default O2S: B2S1 - which one is it?

Got an error code for the lambda sensor
for B2S1, which one and which side is it?
I assume it is the pre-cat sensor, on the right hand side of the engine bay.
Old 05-25-2004, 03:54 AM
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Bank 2, Sensor 1 - Driver's side, front sensor (pre-cat)
Old 05-25-2004, 05:31 AM
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Default If you are changing it yourself, just buy the vw part (more)

and splice your old connector with the new vw O2 sensor. It's $29 from vw compared to $149 for the audi part. VW part # 06A-906-262-Q
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