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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Special Tools
Use special tools when they are required. ...

Power Antenna
The antenna will automatically be extended when the radio power switch is turned “ON” while the ignition key is either in the “ON” or “ACC” position. The antenna will automatically b ...

System Operation
Ventilation 1. Set the mode selection switch to the position. 2. Set the air intake control switch to the outside air position. 3. Set the temperature control knob to the desired position. 4. Se ...

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