The engine P0557 Code is common code and this engine code is found in many car’s engine. The meaning of the code is important thing and you should allow the right meaning of the code. Once the car engine is problematic, you should not drive the car with the car engine problem and take step for fixing the car engine. With the engine problem, you should not drive the car. You may face terrible accident for the engine problem. Do allow wrong meaning of the code what is also cause of the car engine problem. A test drive is recommended after fixing the car engine.