Kia Optima DL3 Quiz
Emission Control System

Catalytic Converter

In this manual: Emission Control System
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
~1min read

Description and Operation

Description

The gasoline engine catalytic converter is a three-way catalyst. It oxidizes carbon monoxide (CO) and hydrocarbons (HC), and separates oxygen from nitrogen oxides (NOx).

Repair Procedures

Removal

[Warm-Up Catalytic Converter (WCC)]

  1. Remove the exhaust manifold.

    (Refer to Engine Mechanical System - "Exhaust Manifold")

[Underfloor Catalytic Converter (UCC)]

  1. Remove the center muffler.

    (Refer to Engine Mechanical System - Center Muffler)

Installation

  1. Install in the reverse order of removal.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.