- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- EFI "301686" - Not available
FORD - Mondeo, Escort, Focus, Scorpio; AUDI - A4; SEAT - MII; SKODA - Citigo; VW - Up; CITROËN - Xsara; BMW - 3; ...