Kia Optima: Heated Oxygen Sensor (HO2S). Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2024 Service ManualKia Optima: Heated Oxygen Sensor (HO2S). Description and Operation

Description

Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.

The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.


Installation
Х Install the component with the specified torques. Х Note that internal damag ...

Heated Oxygen Sensor (HO2S). Specifications
Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20∞C(68∞F)] HO2S [Bank 1/Sensor 2] ...

See also:

Seat belt restraint system
WARNING For maximum restraint system protection, the seat belts must always be used whenever the vehicle is moving. Seat belts are most effective when seatbacks are in the upright position. ...

Auto light control
To operate the auto light, turn the knob on the end of the control lever. If you set the knob to УAUTOФ the tail lights and headlights will be turned on or off automatically according to the outs ...

Installation
1. Install the head lamp leveling unit. 2. Reconnect the head lamp leveling unit connector. ...

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