Repair procedures: Removal

[Bank 1/Sensor 1] 

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Disconnect the heated oxygen sensor connector.
3. Lift the vehicle.
4. Remove the heater protector (B) from the catalytic converter after removing the bolt (A).
5. Remove the heated oxygen sensor (C) with the spanner after lifting the heater protector (B).
   Fig 1: Identifying Heated Oxygen Sensor, Protector And Bolt

   Courtesy of HYUNDAI MOTOR AMERICA

[Bank 1/Sensor 2] 

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Disconnect the heated oxygen sensor connector (B).
3. Lift the vehicle.
4. Remove the heated oxygen sensor (A).
   Fig 2: Identifying Heated Oxygen Sensor And Connector

   Courtesy of HYUNDAI MOTOR AMERICA

[Bank 2/Sensor 1, Bank 2/Sensor 2] 

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Lift the vehicle.
3. Disconnect the heated oxygen sensor connector (A).
4. Remove the heated oxygen sensor (B).

   [Bank 2/Sensor 1] 

   Fig 3: Identifying Heated Oxygen Sensor (Bank 2/Sensor 1)

   Courtesy of HYUNDAI MOTOR AMERICA

   [Bank 2/Sensor 2] 

   Fig 4: Identifying Heated Oxygen Sensor And Connector (Bank 2/Sensor 2)

   Courtesy of HYUNDAI MOTOR AMERICA