- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- AT Autoteile "at12403" - Not available
FORD - Escort, Scorpio, Fiesta, Transit, Orion; AUDI - A4, TT; ALFA ROMEO - 156, 166