Land Rover Repair: oxogen sensor, land rover discovery, catalitic converter

Question
my question is when i went to get my 98 land rover discovery inspected my check engine light was on and it failed the code from the computer said oxogen sensor circut high voltage on nsx ban 1 sensor 2. so i ordered the sensor my question is where does this go?
Thank you,

Answer
sorry but this is something you will wont a tech to do you need a special socket for this bad boy but i can explane where it is . its the o2 sensor on the driver side of the motor (bank one) on the exahust pipe behind the catalitic converter (sensor two) (sorry cant spell)