Kia Cee'd: Exhaust Emission Control System / Catalytic Converter Description and operation

The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx).

Description and operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combust ...

CVVT (Continuously Variable Valve Timing) System Description and operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is ...

Other information:

Kia Cee'd JD Service Manual: Front Impact Sensor (FIS) Repair procedures
Removal    • Removal of the airbag must be performed according to the precautions/ procedures described previously. • Before discon ...

Kia Cee'd JD Service Manual: 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 n ...