- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- EFI "301320" - Not available
OPEL - Omega A, Kadett E, Vectra A, Ascona C, Senator B; AUDI - 100, 80; MERCEDES-BENZ - 190, Kombi; FIAT - UNO, Tempra