- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Fispa "90145" - Not available
LADA - 110, Samara, 111, 112, Nadeschda; BMW - 3, 5; AUDI - A4, A3; ALFA ROMEO - 156, 159