Kia Rio: 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).
[WCC]

[UCC]

Description and operation
Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications
and the addition of special control components.
Modifica ...
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 con ...
Other information:
Repair procedures
Removal
1.
Disconnect the battery negative cable.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Disconnect the MDPS EUC connector.
...
Components and components location
Component Location
1. Fuel filler door
Repair procedures
Replacement
Use a plastic panel removal tool to remove interior trim pieces ...