Kia Cee'd: 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.

Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold. (Re ...

Heated Oxygen Sensor (HO2S) Specifications

Specification HO2S [Bank 1/Sensor 1]   Item Specification Heater Resistance (Ω) 2.4 ~ 4.0 [20°C(68°F)] ...

Other information:

Kia Cee'd JD Owners Manual: Rear Seat Entry (For 3-door vehicle only)
To get in or get out of the rear seat, the driver’s or front passenger’s seat should be folded and the seat should be slide. Driver’s seat Front passenger’s seat 1. Fold the front seatback by pulling up the walk-in seat lever and then slide the front seat forward. 2. Set th ...

Kia Cee'd JD Service Manual: General information
Warning And Caution Labels   1. Fan caution 2. Radiator cap caution 3. Battery caution Battery Caution Label Warning / Caution Label (Cont'd)   A. Keep lighted cigarettes and all other flames or sparks aw ...