- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Elta Automotive "EX0448" - Not available
AUDI - A4, A6, A3, TT, A5; VW - Bora, New Beetle; BMW - 3, 1; SEAT - Toledo; ALFA ROMEO - 156, 159; BENTLEY - Continental