- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RIDEX "3922L0137P" - Not available
CITROËN - ZX, Xsara, AX, C5, XM; PEUGEOT - 306, 405; FIAT - Punto, Panda; FORD - Sierra, Escort; ALFA ROMEO - 155, 164