Kia Sportage: Engine Control System / Heated Oxygen Sensor (HO2S) Description and operation
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.

Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω)
2.5 - 4.0 [20°C(68°F)]
HO2S ...
Circuit Diagram
Harness Connector
[Bank 1 / Sensor 1]
[Bank 1 / Sensor 2]
...
Other information:
When replacing the metal wheels for any reason, make sure the new wheels are
equivalent to the original factory units in diameter, rim width and offset.
A wheel that is not the correct size may adversely affect wheel and bearing life,
braking and stopping abilities, handling characteristics, gr ...
Specifications
Item
Specification
M
• Type
single piston
• I.D. mm(in)
22.22 mm (0.875 in)
• Piston stroke mm(in)
45±1 mm
(1.77 ± 0.039 in) ...