Hyundai Venue: Exhaust Emission Control System / Catalytic Converter. Description and operation

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...

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 control signal which is calculated by the engine speed and load...

Other information:

Hyundai Venue (QX) (2020-2025) Service Manual: 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 control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work...

Hyundai Venue (QX) (2020-2025) Service Manual: Oil Pressure Switch. Repair procedures

Removal and Installation 1. Disconnect the battery negative terminal. 2. Remove the engine room under cover. 3. Drain the engine oil. (Refer to Lubrication System - "Engine Oil") 4...