- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-156" - Not available
VW - Polo, Passat, Vento, Caddy, Golf; AUDI - A6, A4; SEAT - Ibiza, Cordoba; FORD - Galaxy