The engine P1128 Code plays important role for solving the car engine and you need to use real meaning of the code for solving the car engine. The engine code is meaningful and you need to use the meaning to fix the car engine. You need to solve the car engine problem properly. The car engine can be fixed properly by an automobile engineer. Here, the problem is located in the powertrain and this problem can be fixed without changing any part from the car engine. That is why, you should be careful for solving the car engine problem. Different problems can be initiated from the car engine if it is not fixed properly.