Hyundai Sonata: Troubleshooting - General Information - Emission Control SystemHyundai Sonata: Troubleshooting

Troubleshooting

Symptom
Suspect area
Engine will not start or struggle 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 PCV 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) ▷ Specification Item Specification Coil Resistance (Ω) 19.0 ~ 22.0 [20°C( ...

    Schematic Diagrams
    Schematic Diagram ...

    See also:

    Repair procedures
    Inspection 1. Remove the cowl top cover. (Refer to the wiper) 2. Disconnect the windshield deicer connector (A) from the wiper motor linka ...

    Using the Room Mirror Key
    Selecting the room mirror key will allow you to make service required inquiries, POI info searches, and emergency rescues by connecting to the Blue Link Center. Such features can be used only after ...

    Water pump. Troubleshooting
    Troubleshooting Water Pump Symptoms Possible Causes Remedy Coolant leakage • From the bleed hole ...