I agree with everything said above. Should be passenger side past the cats. And 6"-10" of wire. The connector will be slid on to a clip that pushes into the body or frame, can't remember which. You can pull the whole clip out, or just slip the o2 sensor off the clip. Be sure to coat the threads with a penetrating lubricant to help the removal. I've seen some screw up threads or even break off when coming out. Worst case if it won't come out with a little help and effort, put some fire to the "bung" it's screwed into, but try not to heat up the sensor itself.
Oh, and it's easier if you disconnect it before trying to unscrew it...... ask me how I know..... hahaha
I have a question: On a 2000 Silverado z-71 my o2 sensor on bank 2 sensor 2 is not being read. Put a new one in and still nothing. I keep getting code P0160. Can anyone help
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