The general meaning of the B2342 Code explains the general meaning and it is not important thing. The general meaning of the code is general thing and it says that the body of the engine has the main problem what is easy to fix. Do not try to solve the car engine problem if you have no idea how to fix the car engine problem. There are some machines what are necessary to use for solving the car engine. The general meaning does not help you for solving the car engine and you should collect the manufacturer meaning for your car for solving the car engine.