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).
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Other information:
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Air Cleaner
Filter Replacement
The air cleaner filter can be cleaned for
inspection using compressed air. Do
not attempt to wash or rinse it, because
water can damage the filter. If soiled,
replace the air cleaner filter.
1. Pull up the air cleaner filter cover 1.
2. Pull down the lever to the ...
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 ...
