The B1475 Code is not possible to solve the problem if you do not know the meaning of the code. The code has various meanings what are related with the model and manufacturer. You can solve the problem of the code when you know the model and manufacturer. You should read the manual well and then go for the solve the problem. However, if you do not how to solve the problem, then you should take the car to auto repairing center. It seems that the problem is related with the body of the engine. You should solve the problem as soon as possible.