Is this the O2 sensor in the Cat converter ? If so, How do you take the carpet up inside the car to unplug it ? Any advice is appreciated.
Great forum !! When I do a search for code PO141 i get no results ???

Thanks,
22R

 

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That code is for the secondary O2 sensor. It should be in the cat or right after. The first O2 sensor on your car is either on the exhaust manifold, or in the pipe right before your cat.

 

I believe you will find the O2 sensor connector behind the rear subframe, in the engine compartment.
The code is calling out a fault in the heater circuit of the sensor.
Be sure there is power [12V]on the two black wires with the key on.