| Symptom | Suspect area |
| Engine will not start or hard to start | Vapor hose damaged or disconnected |
| Engine struggles to start | Malfunction of the Purge Control Solenoid Valve |
| Rough idle or engine stalls | Vapor hose damaged or disconnected |
| Malfunction of the PRV (Pressure Regulating Valve) | |
| Rough idle | Malfunction of the Evaporative Emission Control System |
| Excessive oil consumption | Positive crankcase ventilation line clogged |
Specifications
Schematic DiagramsHyundai Tucson (NX4) 2022-2026 Owner's Manual: Fuel Requirements
Gasoline Engine
Unleaded
Your new vehicle is designed to perform
optimally with unleaded fuel having
an octane number ((R+M)/2) of 87
(Research Octane Number 91) or higher.
Your new vehicle is designed to obtain
maximum performance with UNLEADED
FUEL, as well as minimize exhaust
emiss ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: PM Sensor
- Description
Monitor the air quality inside the vehicle in real time (PM sensor) and
display the status on the screen.Automatically operate when fine dust
concentration is high (Condition: Bet mode + A/C ON + 3rd speed or
higher)
- Components Location
1. PM sensor
- Replacement ...