Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual / Emission Control System / Exhaust Emission Control System / Description and Operation

Hyundai Santa Cruz: 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.Modifications to the combustion chamber, intake manifold, camshaft and ignition system consist 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 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 Santa Cruz (NX4A OB) 2021-2025 Service Manual: Repair procedures
- Replacement 1.Remove the cap and the nuts, and then remove the wiper arm (A).Tightening torque :22.6 - 26.5 N.m (2.3 - 2.7 kgf.m, 16.6 - 19.5 lb-ft) 2.Disconnect the washer nozzle (A). 3.Loosen the mounting clips, remove the cowl top cover (A). 4.To install, reverse removal procedur ...

Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: High Pressure Fuel Pump
- Removal 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") 2.Turn the ignition switch OFF and disconnect the negative (-) battery terminal. 3. Remove the engine cover.(Refer to Engine Mechanical System - "Engine Cover") ...