The automobile dictionary meaning of the engine P0425 Code is easy to find and it is easy access. The automobile dictionary meaning of the engine 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. 2 for Cylinder 10 Contribution/balance Fault and 5 for Exhaust Gas Recirculation Sensor B Circuit High. However, the real meaning of the engine code is highly important thing for solving the car engine. If you do not know the real meaning of the code and you do not have all tools, you should not try to fix the car engine.