The engine B2221 Code is an important thing what gives a meaning of the code and helps to solve the problem. According to the meaning of the real meaning of the code, it is possible to solve the car engine. The real meaning is set by the manufacturer and meaning is also connected with the dictionary meaning but the dictionary meaning of the code is not enough. Collect the manual of the car and in the manual, you will get all information what you need. If you have the manual of the engine, then it becomes more useful to solving the problem from the car engine.