- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- OPEL - Astra, Kadett E, Corsa, Vectra; HONDA - Civic, Concerto; VW - Golf; NISSAN - Sunny; MAZDA - 626; AUDI - 100; ...