For the car engine, you should be careful. Any time the car engine may not response if the car is very old or working for long time. This engine should be tested by the engine testing machine what let us know about the car engine problem by an engine code. The engine P1682 Code contains information of the car engine problem and fix the problem of the car engine by the actual meaning of the car engine code. The actual meaning is the most correct meaning and that is found from the car manufacturer. You can use general meaning of the code if the real meaning of the code is not found.