- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- EFI "301331" - Not available
VW - Golf, Passat, Vento, Corrado; SEAT - Ibiza; LANCIA - Y10; JEEP - Grand Cherokee; CITROËN - ZX; FIAT - Punto; ...