The engine B1663 Code is used in different car engine but meaning of the code for all cars are not same. You need to get the correct meaning what you will from the manual. You need to know the name of the manufacturer and model number. For checking and solving the problem, it is necessary to use some expensive machines and components. Problem code comes for the body of the engine and it is necessary to solve the problem as soon as possible. As problem is related with the body of the engine, so, it is necessary to change any parts from the engine.