The engine P2194 Code tells of the problem of the car powertrain and the powertrain problem of the car engine is not very difficult problem. This simple problem can be fixed fast. However, the car engine problem is not easy to solve if the simple problem is not fixed properly. The car engine code gives more information and you need to study well about the problem. Test the car engine properly and you must appoint an automobile engineer to check and solve the car engine. You can read the automobile dictionary meaning to know about the car engine problem before solving the car engine problem.