Hyundai Palisade: Exhaust Emission Control System / Description and operation

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, intake manifold, camshaft and ignition system form the basic control system.

These items have been integrated into a highly effective system which controls exhaust emissions while maintaining good drivability and fuel economy.

Exhaust Emission Control System

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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)...

Other information:

Hyundai Palisade (LX2) 2020-2025 Service Manual: Components and components location

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Hyundai Palisade (LX2) 2020-2025 Service Manual: Troubleshooting

Troubleshooting Symptom Passible Cause Remedy (Refer to page) Water leaks from sunroof Deteriorated roof lid weatherstrip Replace Excessive roof lid-to-body clearance and improperly fitted weatherstrip Adjust Wind noise around sunroof Loose or deformed deflector, gaps in body work Retighten adjust or replace Noise created by moving sunroof lid Foreign particles lodged in guide rail Check drive cable and guide rails for foreign particles Loose guide rails and lid Retighten Motor runs but sunroof does not move or moves only partially Foreign particles lodged in guide rail Adjust or replace Incorrect engagement of motor pinion with drive cable Decrease in motor's clutch slipping force Increased sunroof sliding resistance or interference of sunroof with drive cables, weatherstrip, etc...