The B1508 Code is related with the engine and it seems that body of engine has the main problem. It is not necessary to change any part of the engine for solving the problem. This code has several meanings and all meanings are related with the model and manufacturer of the engines. It is necessary to get the correct meaning of the code and to get the correct meaning reading manual is important thing. The code has dictionary meaning and it is necessary to know the meaning of the code of dictionary. Thus, the professional can solve the problem of the engine.