- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21378-12B1" - Not available
VW - Transporter, Amarok, Multivan, New Beetle, California T5; AUDI - A4, Q7; PORSCHE - Panamera, Cayenne
