The P0051 Code is related with the car engine and meaning of the car engine code is necessary for solving the car engine problem. If you do not find the real meaning of the code, you cannot solve the car engine problem. The meaning of the engine code is found manual of the car engine. Do not drive the with this problem. Powertrain problem of the engine is minor problem but you should not drive the car with the problem of the car engine and no matter how the problem of the car engine is. Get the real meaning of the code what is relevant with the manufacturer and model of the car.