Emissions Control System: General: Components

COMPONENTS FUNCTION CHART

Components	Function	Remarks
Crankcase Emission System
Positive Crankcase Ventilation (PCV) valve	HC reduction	Variable flow rate type
Evaporative Emission System
Evaporative emission canister	HC reduction
Purge Control Solenoid Valve (PCSV)	HC reduction	Duty control solenoid valve
Exhaust Emission System
MFI system (air-fuel mixture control device)	CO, HC, NOx reduction	Heated oxygen sensor feedback type
Three-way catalytic converter	CO, HC, NOx reduction	Monolithic type

MFI: Multiport Fuel

Injection EVAP: Evaporative Emission