- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20530-12B1" - Not available
AUDI - A6, A4, S6, A8; TOYOTA - Corolla; CITROËN - Xsara, C5; SUBARU - Legacy, Outback