Kia Rio: 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).

[WCC]

[UCC]

    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 Rio 2017-2023 YB Service Manual: Lane Departure Warning System (LDWS) Unit

    Components and components location Components Repair procedures Removal    When replacing the LDWS switch, check that the symbol mark in the cluster operates normally by pressing the ON/OFF switch.

    Kia Rio 2017-2023 YB Service Manual: Blower Resistor (MANUAL)

    Repair procedures Inspection 1. Measure the resistance between the terminals. 2. The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor) Replacement 1.

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