P2197 Mini Oxygen Air/Fuel Sensor Signal Stuck Lean Bank 2 Sensor 1 P2197 Mini Oxygen Air/Fuel Sensor Signal Stuck Lean Bank 2 Sensor 1 Tech description Symptoms – Engine Light ON (or Service Engine Soon Warning Light) – Excessive Fuel Consumption MINI Vehicle:MINI Cooper,MINI Countryman,MINI Paceman,MINI Clubman