The car engine P2308 Code is found from the car engine and meaning of the code is essential. However, know the cause of the car engine problem and you should study well. If you are not right person for fixing the car engine, you should not try to solve the car engine. You must allow an automobile engineer to solve the car engine. He may test the check list Fuel Rail Pressure Sensor Circuit Malfunction, Cylinder 10 Contribution/balance Fault, Shift or Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical. Fix the car engine quick if you want to solve the problem fast.