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: Ignition Switch
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the steering column upper and lower shrouds.(Refer to Body - "Steering Column Shroud Panel")
3.Remove the ignition switch (A) after disconnecting the 6P connector (B).
4.Remove the key warning and immobilizer connector (A). ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Temperature Control Actuator
- Description
The heater unit includes mode control actuator and temperature control
actuator.The temperature control actuator is located at the heater unit.
It regulates the temperature by the procedure as follows.Signal from
control unit adjusts the position of the temperature door by ope ...
