The car engine P2139 Code is found in many car engines of different brands but currently, it is found from your car engine. The meaning of the car engine code helps to solve the car engine problem. Every part of the car engine has an engine code and you need to know the meaning of the code to know the cause, reason and location of the problem. So, it becomes easier to find the problem and solve the car engine problem. The real meaning of the car engine code is perfect for solving the car engine but you can use automobile dictionary meaning of the code if the real meaning of the code is not found.