The engine P0998 Code helping things for solving the car engine. Do not drive the car without solving the car engine. The problem of the powertrain is the problem and this problem is not difficult to solve. As this problem can be fixed without removing any part of the car engine. By the meaning of the engine code, you can understand about the problem of the car engine and solve the problem from the car engine. Do not drive the car until the car engine is fixed and do not fix the car engine’s problem by yourself if you are not an expert automobile engineer.