Find out the real cause of the car engine problem. You need to test the car engine to get the real problem of the car engine. By the testing of the car engine, you can get engine P0705 Code. However, if you do not know the meaning of the code, you cannot understand the real meaning of the code. By the real meaning of the code, you can know about the problem and learn the way of solving the car engine’s problem. You will get various symptoms what you need to test to identify the cause of the car engine problem.