Hyundai Elantra (CN7): Emission Control System / Troubleshooting
| Troubleshooting |
|
Symptom
|
Suspect Area
|
| Engine will not start or stuggle to start | Vapor hose damaged or disconnected |
| Engine stuggle to start | Malfunction of the Purge Control Solenoid Valve |
| Rough idle or engine stalls | Vapor hose damaged or disconnected |
| Malfunction of the PCV valve | |
| Rough idle | Malfunction of the Evaporative Emission Control System |
| Excessive oil consumption | Positive crankcase ventilation line clogged |
Components Location1. Canister2. Purge control solenoid valve (PCSV)3. Fuel Tank Air Filter4. Catalytic converter (WCC)5. Catalytic converter (UCC)1. Canister 2.
SpecificationsPurge Control Solenoid Valve (PCSV)▷ Specification Item Specification Coil Resistance (Ω)22.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: ADAS Parking ECU (ADAS_PRK)
Components and components location Components and Components Location Repair procedures Removal • Use a plastic panel removal tool to remove interior trim pieces without marring the surface.• Take care not to bend or scratch the trim and panels.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Parking Collision-Avoidance Assist (PCA)
Components and components location Components and Components Location Schematic diagrams Schematic DiagramsParking Collision-Avoidance Assist (PCA) Ultrasonic sensorParking Collision-Avoidance Assist (PCA) Rear view camera Repair procedures RemovalParking Collision-Avoidance Assist (PCA) Unit1.
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