The diagnosis engine P0467 Code lets you know about the car engine problem and gives idea how to solve the car engine problem. You can check the list to know the cause of the engine problem. The list is EVAP purge solenoid failure, Powertrain Control Module (PCM) failure and Wiring issue. If you check the car engine and check the list, you can know the reason of the car engine problem. You have nothing to worry about it. If you have no all tools for checking engine and you do not know how to solve the car engine, you must take the car to automobile engineer.