- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Elta Automotive "XLS1533" - Not available
AUDI - A4, A3, TT, A6, A5; MAZDA - 3 (BK, BL), 2; BMW - 1, 3; ALFA ROMEO - 159, 156; BENTLEY - Continental