- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- EFI "301365" - Not available
CITROËN - Xsara, Xantia, Berlingo, Saxo, ZX; PEUGEOT - 306, Partner; FIAT - Ducato, Fiorino