Bank 1/Sensor 1

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Disconnect the heated oxygen sensor connector (A).

Courtesy of HYUNDAI MOTOR AMERICA

Remove the heated oxygen sensor (A).

Tightening torque:

39.2 - 49.1 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb.ft)

NOTE:

Note that the SST (Part No.: 09392-1Y100) is useful when removing the heated oxygen sensor.

Courtesy of HYUNDAI MOTOR AMERICA

Courtesy of HYUNDAI MOTOR AMERICA