O2 Sensors on98XLT

[hlkool66]

hey new to this but could use help in locating O2 sensor on 1998 Explorer XLT w/ 5.0 AWD I have a OBDII CODE p0141 READING saying bank 1 sensor2 (heater circuit malfuntion or bad O2 Where is this located?

 

[swetrid]

Bank 1 is the driver side and it would be the rearmost o2 sensor on the driver side exhaust pipe.