- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Denso "DOX-1703" - Not available
VW - Golf, Passat, EOS, Jetta; SKODA - Fabia, Rapid; AUDI - A3, A4; SEAT - Altea, Leon; FORD - Mondeo, Focus