- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RIDEX "3922L0016" - Not available
PEUGEOT - 306, 307, 406, 206, 407; CITROËN - Xsara, C4; AUDI - A4, A6; FIAT - Ulysse; LANCIA - Zeta; ALFA ROMEO - 156, 166