Hyundai Tucson: Emission Control System / Troubleshooting
| 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
- Specifications
Purge Control Solenoid Valve (PCSV)
▷ SpecificationItemSpecification
Coil Resistance (Ω)18.5 - 22.5 [23°C (73.4°F)]
Fuel Tank Pressure Sensor (FTPS)
▷ Type : Piezo-Re ...
Schematic Diagrams
- Schematic Diagram
...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Muffler
- Removal and Installation
• Be careful not to damage the parts located under the vehicle
(floor under cover, fuel filter, fuel tank and canister) when raising
the vehicle using the lift.(Refer to General Information - "Lift and
Support Points")
Front Muffler
1.Disc ...
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Explanation of Scheduled Maintenance Items
Engine Oil and Filter
The engine oil and filter should be
changed at the intervals specified
in the maintenance schedule. If the
vehicle is driven in severe conditions,
more frequent oil and filter changes are
required.
Drive Belts
Inspect all drive belts for evidence
of cuts, cracks, ...
