The meaning of the B2351 Code is found online and this definition of the code is not important thing to use for fixing the car engine problem. Do not drive the car with the car engine problem . Do not use the common meaning like automobile dictionary meaning for solving the engine problem. It may create more new problems. The general meaning of the code us found online and you will get the real meaning form the manual of the car engine. Body of the car engine has the problem and without changing any component, the engine problem can be fixed easily.