This engine P1103 Code is available in different car engines and meanings of the code is also similarly important. You need to solve the car engine problem by the meaning of the code and you will collect the meaning from the car manufacturer of the car. Al parts of the car engine code are meaningful and you need to know the meaning of the code properly for solving the car engine. Do not drive the car with the car engine problem and do fix the car engine according to wrong meaning of the code. You may face terrible problem in the car engine due to use wrong meaning of the code.