- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20427-12B1" - Not available
OPEL - Insignia A, Astra, Corsa, Vectra, Zafira; VAUXHALL - Astra, Corsa; PORSCHE - 911, Boxster; CHEVROLET - Cruze, Aveo