Emission Control Systems: Application and ID

Jetta 1.8L/4 CYL. PCV, EEC, CAT, OS, INJ, FR
Jetta Diesel 1.6L/4 CYL. PCV
Golf 1.8L/4 CYL. PCV, EEC, CAT, OS, INJ, FR
Golf GTI 2.0L/4 CYL. DOHC PCV, EEC, CAT, OS, CIS-E, FR
Cabriolet 1.8L/4 CYL. PCV, EEC, CAT, OS, INJ, FR
Fox 1.8L/4 CYL. PCV, EEC, CAT, OS, INJ, FR
Corrado 1.8L/4 CYL. PCV, EEC, CAT, OS, INJ, FR
Passat 2.0L/4 CYL. DOHC PCV, EEC, CAT, OS, EGR, CIS-E, FR

PCV - Positive Crankcase Ventilation
EEC - Evaporative Emission Control
CAT - Catalytic Converter
OS - Oxygen Sensor
EGR - Exhaust Gas Recirculation
CIS-E - CIS-E (Bosch KE-Jetronic) Fuel Injection
INJ - Volkswagen Digifant II Fuel Injection
FR - Fillpipe Restrictor