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:

    Automatic Transaxle. Repair procedures
    Removal 1. Remove the following items; A. Air duct (A) and engine cover (B). (Refer to "Intake and Exhaust system" in EM group. ...

    Injector. Repair procedures
    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the injector connector. 3. Measure resistance betwee ...

    Interior light
    CAUTION Do not use the interior lights for extended periods when the engine is not running. It may cause battery discharge. WARNING Do not use the interior lights when driving in the dark. Accide ...