- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20416-12B1" - Not available
OPEL - Combo, Ampera, Zafira; VAUXHALL - Combo, Ampera; CHEVROLET - Volt, Aveo; AUDI - A4, A6