Kia Optima: 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).
![](images/catalytic_converter-479/357/stfec3002c_n.gif)
![](images/catalytic_converter-479/357/sdlec10502l.gif)
Repair procedures
[Catalytic Converter (WCC)] |
1. |
Remove the exhaust manifold.
(Refer to Engine Mechanical System - "Exhaust Manifold")
|
[Catalytic Converter (UCC)] |
1. |
Remove the Center Muffler.
(Refer to Engine Mechanical System - "Center Muffler")
|
1. |
Install in the reverse order of removal.
|
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:
Front air bags
Front air bags are designed to inflate in a frontal collision depending on the
intensity, speed or angles of impact of the front collision.
Side and/or curtain air bags
Side and/or curtain air bags are designed to inflate when an impact is detected
by side collision senso ...
Schematic diagrams
Connector and Terminal Function
Repair procedures
Removal
1.
Disconnect the negative battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
...