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 ...

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:

Troubleshooting
Engine Overheat Troubleshooting Inspection RemedyVisual inspectionInspect for shortage of coolant in reservoir tank .Reinspect after replenishing coolant.Inspect for coolant pollution after remo ...

Removing and storing the spare tire
Turn the tire hold-down wing bolt counterclockwise. Store the tire in the reverse order of removal. To prevent the spare tire and tools from “rattling” while the vehicle is in motion, store ...

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