Hyundai Tucson: Emission Control System / Exhaust Emission Control System

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 Tucson (NX4) 2022-2026 Service Manual: General Information
- General Troubleshooting Information Before Troubleshooting 1.Check applicable fuses in the appropriate fuse/relay box. 2.Using the battery checker (MCR-570 KIT), check the battery for damage, state of charge, and clean and tight connections.(Refer to Engine Electrical System - "Battery") ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Evaporator Core
- Replacement 1.Disconnect the negative (-) battery terminal. 2.Remove the heater core.(Refer to Heater - "Heater Core") 3.Loosen the mounting screws and remove the evaporator core cover (A). 4.Remove the evaporator core (A) from the heater unit. 5.Remove the evaporator temperature sens ...