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

1. Turn the ignition switch OFF.
2. Disconnect the HO2S connector.
3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1].
4. Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
5. Check that the resistance is within the specification.

Specification: Refer to “Specification”


Heated Oxygen Sensor (HO2S). Repair procedures
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Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the connector (A), and then remove the sensor (B). ...

See also:

Inspection
1. Check the hub for cracks and the splines for wear. 2. Check the brake disc for scoring and damage. 3. Check the knuckle for cracks 4. ...

Toll Free Assistance
Kia’s toll-free hot line is staffed 24 hours a day, 365 days a year, and is accessible from anywhere in the U.S. or Canada by dialing 1-800-333-4Kia. ...

Engine Oil. Repair procedures
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