Kia Optima: Inspection - Heated Oxygen Sensor (HO2S). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2020 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:

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Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the engine coolant temperature sensor connector (A). ...

Glove Box
To open the glove box door, pull the latch toward you. The glove box door can be locked (and unlocked) with the vehicle key. WARNING To reduce the risk of injury in case of an accident or s ...

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