Hyundai Sonata
Hyundai Sonata

See also:
Crankcase Emission Control System
The positive crankcase ventilation system is employed to prevent air pollution
caused by blow-by gases being emitted from the crankcase. This system supplies filtered
fresh air to the crankcase th ...
Purge Control Solenoid Valve (PCSV)
The purge control solenoid valve is controlled by the Engine Control Module (ECM);
when the engine coolant temperature is low during idling, the PCSV closes so that
evaporated fuel is not taken in ...


