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oxygen (lamda) sensor b3 s1 codes?

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Old 06-20-2018, 03:41 AM
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Default oxygen (lamda) sensor b3 s1 codes?

getting p3285 - 004 open circuit o2 b3 s1
getting p3207 - 001 electrical malfunction 02 b3 s1
which o2 sensor is this and is it easy to access? driving in limp mode so painful
Thanks in advance for any assistance you can provide.
Old 06-20-2018, 07:14 AM
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Default Yes, You're in Luck

Originally Posted by My2007s8
getting p3285 - 004 open circuit o2 b3 s1
getting p3207 - 001 electrical malfunction 02 b3 s1
which o2 sensor is this and is it easy to access? driving in limp mode so painful
Thanks in advance for any assistance you can provide.
That O2 Sensor (upstream Bank 3) is accessible without much trouble.
Old 06-20-2018, 05:18 PM
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thanks Scott for the diagram,

sorry i'm a little confused on which number it is on the diagram? is it 8? drivers side?

,
Old 06-20-2018, 08:20 PM
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Default No, do not pay attention to the green highlighter It's G285

Originally Posted by My2007s8
thanks Scott for the diagram,

sorry i'm a little confused on which number it is on the diagram? is it 8? drivers side?

,
The driver's side rear bank AKA III,upstream O2 serving cyls 6,7,8 Here's a PIC from Alldata.

OEM Bosch Branded sensors are cheap on Anazon.

Amazon Amazon
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G285.pdf (30.0 KB, 198 views)
Old 06-21-2018, 04:27 AM
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thanks again Scott. will start the search and order one
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