The engine P1693 Code is an error code and it is important to know the reason and meaning of the code appears. If you know the real meaning of the code, you can solve the car engine problem. It is true that to solve the car engine problem, you must need to use some machines and tools what you do not have. That is why, you must allow an automobile engineer for solving the car engine problem. Do not drive the car with any problem of the car engine. You must allow automobile engineer to solve the problem from the car engine fast.