The error P207B Code is related with the car engine and it needs to remove form the car engine code reader by proper solution. The engine code has right and wrong meaning. The right meaning of the code is provided from the car manufacturer. The automobile meaning of the code, you may use for leaning purpose only. Do not use this general meaning for solving the car engine problem. You need to find the cause of the engine problem. You should verify all symptoms to know the accurate cause of the problem. Once the engine problem is solved, test the car by a test drive.