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: Photo Sensor Repair procedures
Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The ...

Kia Cee'd JD Service Manual: Troubleshooting
Troubleshooting   Symptom Suspect area Engine will not start or struggle to start Vapor hose damaged or disconnected Engine struggles to start Malfunction of the Purge Control Solenoid Valve ...