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 Service Manual: Variable Intake Solenoid (VIS) Valve
- Description Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold. The VIS valve controls the vacuum modulator which activates a valve in the intake manifold. The ECM opens or closes this valve according to engine condition (Refer to below table). Engine Cond ...

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Fuel gauge
This gauge indicates the approximate amount of fuel remaining in the fuel tank. Information The fuel tank capacity is given in Chapter 10. The fuel gauge is supplemented by a low fuel warning light, that illuminates when the fuel tank is nearly empty. On inclines or curves, the ...