The car engine P0449 Code is used for solving the car engine problem and if you want to know the right meaning of the code , you should real the manual of the car engine. You should find the right meaning of the code according to the name of the car manufacturer. The automobile dictionary meaning of the code is not suitable meaning for solving the car engine. You can get that meaning easily by searching online. It is easy to solve the car engine problem and you should not worry if you do not know how to solve the car engine. You must hand over the car to automobile engineer to fix the problem.