Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture EPS "1.998.528" - Not availableVOLVO - XC60, V90, S90, S60, XC90, V60, V40, XC40, S80, V70; POLESTAR - Polestar 1