Kia Optima: Catalytic Converter. Description and Operation - Exhaust Emission Control 
		System - Emission Control System - Kia Optima TF 2011-2024 Service ManualKia Optima: 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).


Description and Operation
Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components.Modifications to the combustion chamber, intake m ...

CVVT (Continuously Variable Valve Timing) System. Description and Operation
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Inspection
1. Check for the following items visually. A. Cracks or leakage of the canister B. Loose connection, distortion, or damage of ...

Replacement
1. Disconnect the negative (-) battery terminal. 2. Using the screwdriver, remove the side cover (A). 3. Loosen the mounting screw and the ...

Owner maintenance schedule
When you stop for fuel: Check the engine oil level. Check the coolant level in coolant reservoir. Check the windshield washer fluid level. Look for low or under-inflated tires. Whil ...

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