- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20025-12B1" - Not available
FORD - Mondeo, Escort, Focus, Fiesta, Orion; FIAT - Tempra, Multipla; MAZDA - 121; AUDI - A4, A6