Kia Rio: Exhaust Emission Control System / Catalytic Converter

Kia Rio 2017-2025 YB Service Manual / Emission Control System / 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]

Exhaust Emission Control System

Description and operation Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifica ...

CVVT (Continuously Variable Valve Timing) System

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 con ...

Other information:

Kia Rio 2017-2025 YB Owners Manual: Parking Brake & Brake Fluid Warning Light

This warning light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It illuminates for approximately 3 seconds When the parking brake is applied. When the brake fluid level in the reservoir is low. - If the warning light illuminates with t ...

Kia Rio 2017-2025 YB Owners Manual: Fuel filler door

Opening the fuel filler door The fuel filler door must be opened from inside the vehicle by pulling up the fuel filler door opener. If the fuel filler door does not open because ice has formed around it, tap lightly or push on the lid to break the ice and release the lid. Do not pry on the l ...