O2 Sensor B1 S1 always reads 0.0

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May 18, 2021
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Greetings!

The O2 sensor on Bank 1/Sensor 1 on my wife's 2015 Platinum (3.5L) always reads 0.00. I have unplugged and replugged the connector which looks brand new. I have used different OBD code readers. Engine seems fine and the vehicle appears fine.

I am guessing 0.00 is not a normal reading, especially since the other O2 sensors change rapidly.

I have included screenshot from OBDLink.

Is this something to be concerned about?

--
Rick
 

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