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:

    Knock Sensor (KS). Repair procedures
    Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake ...

    Instrument panel overview
    1. Instrument cluster 2. Light control/Turn signals 3. Audio controls 4. Horn 5. Driver’s front air bag 6. Wiper/Washer 7. Ignition switch 8. Engine start/stop button 9. Hazard warning fla ...

    Inhibiter Switch. Repair procedures
    Removal 1. Set room side lever and T/M side lever to "N" position. 2. Remove the battery and the battery tray. (Refer to &q ...