Kia Optima: Exhaust Emission Control System / Catalytic Converter

Kia Optima DL3 2019-2025 Service and Repair Manual / Emission Control System / 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.

Exhaust Emission Control System
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 ...

CVVT (Continuous 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 con ...

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: Roof Trim Assembly


Components and components location Component Location 1. Roof trim assembly Repair procedures Replacement    • When removing with a flat-tip scre ...

Kia Optima DL3 2019-2025 Owner's Manual: Coat hook


❈ This actual feature may differ from the illustration. To use the coat hook, pull down the upper portion of coat hook. CAUTION - Hanging clothing Do not hang heavy clothes, since they may damage the hook. WARNING Do not hang other objects such as hangers or hard objects except clothes. ...

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