If this B1917 Code comes from your car engine, you should not drive the car without fixing the problem. For the car engine’s error, this code comes. Meaning of the code is necessary to know and meaning of the code based on the brand of the car and model number. The same B1917 is found for different car engines but meanings of the code are nit similar. You can use dictionary meaning of the code and this meaning is similar for car engines. That is why, it is difficult to identify the real problem of the engine but the dictionary meaning is necessary thing too.