- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES10981-17B1" - Not available
VW - Golf, Passat, Polo, Bora, Beetle; SEAT - Toledo, Leon; AUDI - A4, A3; SKODA - Octavia, Superb