- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20104-12B1" - Not available
FORD - Mondeo, Focus, Cougar, Maverick, Fiesta; MAZDA - Tribute, CX-9 (TB); FORD USA - Explorer, Mustang