Emission Control Systems: Application and ID
Vanagon 2.1L/4 CYL. PCV, EEC, CAT, OS, AFC, FR
PCV - Positive Crankcase Ventilation
EEC - Evaporative Emission Control
CAT - Catalytic Converter
OS - Oxygen Sensor
AFC - Air Flow Controlled (Volkswagen Digifant II) Fuel Injection
FR - Fillpipe Restrictor