The engine P0577 Code is crucial thing what contains very necessary information. The car engine may makes more problems in the life if the car engine is not solved. You should fix the car engine as soon as possible before any new problem starts from the car engine. The powertrain of the engine is not difficult to solve and for this reason, you do not need to change any parts from the car engine. This problem is not costly problem what is easy to solve. Do not allow to test the car before fixing the car engine. From the car engine, new problems may trigger.