- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Calorstat by Vernet "LS150066" - Not available
PORSCHE - 911, Cayenne, Cayman, Panamera, Boxster Spyder; AUDI - A4, A6; BENTLEY - Continental