Kia Optima: Removal - Heated Oxygen Sensor (HO2S). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2026 Service ManualKia Optima: Removal

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Disconnect the connector (A), and then remove the sensor (B).
Note that the SST (Part No.: 09392-2H100) is useful when removing the heated oxygen sensor.

[Bank 1 / Sensor 1]

[Bank 1 / Sensor 1]

[Bank 1 / Sensor 2]

[Bank 1 / Sensor 2]


Inspection
1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1]. ...

Installation
• Install the component with the specified torques. • Note that internal d ...

See also:

Opening the Hood
1. Pull the release lever on the lower left side of the instrument panel to unlatch the hood. 2. Go to the front of the vehicle, slightly raise the hood, pull up on the secondary latch and li ...

Cruise control system
The cruise control system allows you to program the vehicle to maintain a constant speed without depressing the accelerator pedal. This system is designed to function above approximately 40 km/h (2 ...

ENGINE START/STOP button position
OFF Not illuminated • With automatic transaxle To turn off the engine (START/RUN position) or vehicle power (ON position), press the ENGINE START/STOP button with the shift lever in the P (Pa ...

Copyright www.kiopman.com 2026