Hyundai Elantra: Exhaust Emission Control System / Catalytic Converter Description and Operation

Hyundai Elantra AD (2016-2020) 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).

Description and Operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, int ...

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 ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Spark Plug Repair procedures
Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. 3. Check the spark plug visually. If the electrode is dry, the spark plug is normal. If the electrode is wet, check the damage and electrode gap as below. [ ...

Hyundai Elantra AD (2016-2020) Service Manual: SS-A Solenoid Valve(ON/OFF) Description and Operation
Description • SS-A solenoid valve is attached to the valve body and is an on/off solenoid valve that is used to change gears. • SS-A Solenoid valve(ON/OFF) is installed at valve body. ...