- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- APC "SAS971191" - Not available
ALFA ROMEO - 147, 156, 159, Spider, GT; AUDI - A4, A3; BMW - 3, 5; SUZUKI - SX4; FIAT - Ducato, Scudo; CITROËN - Jumpy, Jumper