The car engine code helps the automobile engineer to identify the problem and solve the car engine problem. The car engine P2523 Code is found after the test of the car engine and the test is possible in the car repair center. You must appoint an automobile engineer to check and solve the car engine. If you have well experience of solving or checking car engine, you can try to solve the car engine and fix the car engine. Once the car engine is fully ok, you need to check the car engine by the test drive only. The car engine should be working properly.