- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21492-12B1" - Not available
PEUGEOT - Expert, 806, 106, Partner, 206; CITROËN - Xsara, Berlingo; ALFA ROMEO - 155, 164