Kia Sportage: Heated Oxygen Sensor (HO2S): Description and Operation - Engine Control System - Engine Control / Fuel System - Kia Sportage SL Service & Repair ManualKia Sportage: Heated Oxygen Sensor (HO2S): Description and Operation

Third generation SL (2010–2016) / Kia Sportage SL Service & Repair Manual / Engine Control / Fuel System / Engine Control System / 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.

Knock Sensor (KS): Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group). 3. Disconnect the ...

Heated Oxygen Sensor (HO2S): Specifications
Specification HO2S [Bank 1/Sensor 1] ItemSpecificationHeater Resistance (?)2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] A/F Ratio (?)Output Voltage(V)RICHApprox. 0.9LEANApprox. 0.04 ...

Other Information:

Fuel Tank: Repair procedures
Removal 1. Release the residual pressure in fuel line (Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line"). 2. Remove the rear seat cushion (R ...

Rain Sensor: Repair procedures
Inspection Rain Sensing Wiper 1. In IGN2 ON state, if auto switch input (LIN communication) is ON then both wiper low relay and wiper high relay outputs are controlled by the rain sensor inpu ...

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