The engine B2471 Code is an identification of the car engine and if the meaning of the engine code is unknown, it is not easy to solve the problem. Do not drive the car with the faulty engine and work for solving the car engine. You need to retrieve meaning of the car engine code and that is why, you can use manufacturer information. The manufacturer of the car engine has set a specific meaning for the code and if the meaning of the code is known, then it becomes easy to fix the car engine. Do not use general meaning for solving the car engine problem.