Kia Optima: Exhaust Emission Control System / Catalytic Converter

Kia Optima DL3 2019-2020 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 2019-2020 Service and Repair Manual: Heater Control Unit


Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion 1 Ground 11 Ground 2 C ...

Kia Optima DL3 2019-2020 Owner's Manual: Mode selection


The mode selection button controls the direction of the air flow through the ventilation system. Air can be directed to the floor, dashboard outlets, or windshield. Five symbols are used to represent Face, Bi-Level, Floor, Floor-Defrost and Defrost air position. Face-Level (B, D) Air flow ...

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