Kia Sorento: Heated Oxygen Sensor (HO2S)

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

   • Install the component with the specified torques. • ...

Specification

HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2] A/F Ratio (λ) ...

See also:

Fuel Tank Air Filter Installation
• Install the component with the specified torques. • Note that internal damage may occur when the component is dropped. In this case, u ...

Removal
1. Remove the head lamp. (Refer to "Lighting system") 2. Remove the bolts and disconnect the horn connectors, then remove ...

Rear Washer Switch Inspection
Check for continuity between the terminals while operating the wiper and washer switch. If it is not normal condition, replace wiper and wiper switch. Rear Wiper Switch Rear Washer Swi ...