The engine P0477 Code contains some information and you should use right meaning of the code if you do not like to bear more problem in the car engine. The automobile dictionary meaning of the code is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 0 for Intake Valve Control Solenoid Circuit Low. 4 for Engine Oil Temperature Sensor Malfunction. 7 for Cylinder 10 Contribution or balance Fault and 7 for Exhaust Gas Recirculation Sensor B Circuit High. You should fix the car engine according to proper manner and you should not allow any immature automobile engineer to fix the engine issue.