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 [20В°C( ...

    Schematic Diagrams
    Schematic Diagram ...

    See also:

    Hands Free Switch. Repair procedures
    Inspection 1. Check the hands free remote control switch for resistance between No.3 and No.4 terminals in each switch position. ...

    Power Window Switch. Schematic Diagrams
    Circuit Diagram Driver Power Window Switch Passenger Power Window Switch Rear Power Window Switch ...

    Indicator light
    When ignition switch is turned to ON, the indicator light illuminates, then goes off if the ESC system is operating normally. The ESC indicator light blinks whenever ESC is operating or illumina ...