Kia Optima DL3: Exhaust Emission Control System / Catalytic Converter

Description and operation

Description

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).

Repair procedures

Removal
[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")

Installation
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.

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