- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Calorstat by Vernet "LS140145" - Not available
VW - Transporter, Passat, Golf, Polo, Vento; SEAT - Toledo, Ibiza; ALFA ROMEO - 155, 145