SpecificationsHyundai 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 Service Manual: Injector
- Description
Based on information from various sensors, the ECM can calculate the
fuel amount to be injected. The fuel injector is a solenoid-operated
valve and the fuel injection amount is controlled by length of injection
time.In order to improve fuel economy, improve engine performance ...