The engine C1924 Code describes the problem of the engine and it tells the problem of the car engine. If the right meaning of the code is found, then it becomes possible to solve the car engine problem. Do not use wrong meaning of the code for solving the car engine problem. Do not use automobile meaning of the code for solving the car engine problem. When you fix the wrong meaning of the code or you use automobile dictionary meaning for fixing the car engine, you may gain more problem in the car engine. A test drive is recommended after fixing the car engine.