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Bank 2 sensor 1 location

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Old Jun 27, 2011 | 08:17 PM
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Default Bank 2 sensor 1 location
I have an engine code of PO154 O2 sensor CKT No Activity (Bank 2 Sensor 1). Can anyone tell me where this sensor is located. I believe that I read somewhere that there are 4 o2 sensors. Is this correct?
 
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Old Jun 28, 2011 | 12:27 PM
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Default Forgot to mention
I am sorry I forgot to mention that it is a 1999 S80 Turbo.

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Old Jun 28, 2011 | 06:52 PM
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Bank 2 is on the left side of engine, driver side. Sensor 1 is before the catalytic converter.
 
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Old Jun 29, 2011 | 09:34 AM
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Thank you for your response. Do you know if there are actually 4 of the O2 sensors? If there is more than one do you know if they are all the same part number.
 
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Old Jun 29, 2011 | 06:00 PM
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You have four sensors.
I'm not sure if the front two are the same, but the rear two are the same. But the front are different from the rears.
 
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Old Jun 30, 2011 | 06:39 AM
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Thank you so much for the information. You have been a great help.
 
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