- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20068-12B1" - Not available
AUDI - A4, A3, TT, A6, A5; BMW - 3, 5; MAZDA - RX-8 (FE, SE); ALFA ROMEO - 156, 159; BENTLEY - Continental, Arnage