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.
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 control signal which is calculated by the engine speed and load.
Other information:
Kia Optima DL3 2019-2025 Service and Repair Manual: Fog Lamp
Repair procedures Removal Front Fog Lamp 1. Disconnect the negative battery terminal. 2. Remove the front bumper assembly. (Refer to Body - "Front Bumper Assembly") 3.
Kia Optima DL3 2019-2025 Service and Repair Manual: Auto Defogging Sensor
Description and operation Description The auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actu
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