- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20172" - Not available
BMW - 3, 5, 1, 6, 7; NISSAN - Pathfinder, Micra; AUDI - A4, A3; INFINITI - QX56; ALFA ROMEO - 156, 159