The engine B1667 Code is related with the engine and this code is found in several brands of car but meanings are different. That is why, the manufacturer name and model number are necessary thing. The dictionary meaning is also necessary thing for solving the problem. As the code, has started with the B letter, the problem of the engine is included with the body of the engine. You have nothing to do and the engine can fix the problem from the engine at least price. Because no component is necessary to change for solving the problem from the car engine.