Hyundai Accent (HC): Emission Control System / Exhaust Emission Control System

Hyundai Accent (HC) (2017 - 2022) Service Manual / Emission Control System / Exhaust Emission Control System

Contents:

Catalytic Converter

- 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).

- Removal and Installation [WCC]

1.Remove the exhaust manifold.(Refer to Engine Mechanical System - "Exhaust Manifold")

[UCC]

1.Remove the catalytic converter & center muffler.(Refer to Engine Mechanical System - "Muffler")

CVVT (Continuously Variable Valve Timing) System ➤

Evaporative Emission Control System

CVVT (Continuously Variable Valve Timing) System

Other information:

Hyundai Accent (HC) (2017 - 2022) Service Manual: Troubleshooting

- Troubleshooting SymptomSuspect areaRemedy Engine misfire with abnormal internal lower engine noises.Loose or improperly installed drive plate.Repair or replace the drive plate as required. Worn piston rings.(Oil consumption may or may not cause the engine to misfire.)Inspect the cylinder for a loss of compression .Repair or replace as required.

Hyundai Accent (HC) (2017 - 2022) Service Manual: A/C Pressure Transducer

- Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very low irregularly to optimize air conditioning system.