- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Sando "SSN73TF9.1" - Not available
VW - Golf, Jetta, Polo, Touran; SKODA - Fabia, Roomster; SEAT - Toledo, Ibiza; AUDI - A4, A3