Hyundai Tucson: Emission Control System

Spark Plug

- Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture the ...

Description and Operation

- Description Emissions Control System consists of three major systems. • The Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere. This system recycles g ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Sunroof Inside Air Recirculation. Auto Dehumidify
Sunroof Inside Air Recirculation (if equipped) When the sunroof is opened, the fresh mode is automatically selected. If you press the air intake control button, the recirculation mode is selected but changes back to the fresh mode after 3 minutes. When the sunroof is closed, the air i ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting Fault Diagnosis • Features a fail-safe mechanism that provides "limp-home" 5th gear hold to enable the vehicle to be driven to the owner's home or dealer shop.     • Fail-Safe : The TCM provides 5th gear hold and Reverse gear in the event of a malfun ...