- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES11104-17B1" - Not available
VW - Passat, Golf, Beetle, Jetta, EOS; AUDI - A4, TT; SEAT - Alhambra, Altea; SKODA - Octavia, Superb