Kia 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:
Fuel Pressure Control Valve: Troubleshooting
Signal Waveform
...
Seat height (for driver’s seat)
Pull the rear portion of the control switch up to raise or press down to lower
the seat cushion. Release the switch once the seat reaches the desired position. ...
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