Kia Optima: CVVT (Continuously Variable Valve Timing) System. Description 
		and Operation - Exhaust Emission Control 
		System - Emission Control System - Kia Optima TF 2011-2026 Service ManualKia Optima: CVVT (Continuously Variable Valve Timing) System. Description and Operation

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
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 sp ...

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Removal
1. Remove the shift lever knob. (Refer to the BD group - "Console") 2. Remove the console upper cover (A). 3. Disconnect the conn ...

Trailer Towing
We do not recommend using this vehicle for trailer towing. ...

Camshaft. Repair procedures
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