Kia 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
•
Install the component with the specified
torques.
•
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:
Carry emergency equipment
Depending on the severity of the weather
you should carry appropriate emergency
equipment. Some of the items you
may want to carry include tow straps or
chains, flashlight, emergency flares,
...
Removal
1.
Remove the following items;
A.
Engine cover.
B.
Air cleaner assembly
and air duct (A). (Refer to "Intake and Exhaust system" in ...
[Safety Up/Down]
...
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