The engine P0196 Code is a trouble code and it is very important thing for the car engine. Do not allow to drive the car with the car engine problem. However, wrong meaning of the code differs wrong idea of the car engine and the engine cannot be fixed properly. You should be careful when you fix the car engine. Do not allow any meaning of the code for solving the car engine problem. In the car manual, you will get some information what you need to follow for solving the car engine problem. Do not drive the car with the engine problem.