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:

    Occupant classification system
    Type A Type B Your vehicle is equipped with an occupant classification system in the front passenger's seat. The occupant classification system is designed to detect the presence of a ...

    Warning on the LCD screen
    Key is not in vehicle If the smart key is not in the vehicle and if any door is opened or closed with the engine start/stop button in ACC, ON, or START, the warning illuminates on the LCD scr ...

    Owner’s responsibility
    ✽ NOTICE Maintenance Service and Record Retention are the owner's responsibility. You should retain documents that show proper maintenance has been performed on your vehicle in accordan ...