- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20371" - Not available
MAZDA - 3, 6, 5; ALFA ROMEO - 156, 159; AUDI - A3, A1
Additional numbers
Delphi:
ES20371-11B1