- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RENAULT - Laguna, Megane, Clio; MERCEDES-BENZ - CLK; VW - Passat, Golf; FIAT - Punto; PEUGEOT - 206; CITROËN - Xsara; ...