The automobile dictionary meaning of the engine P0419 Code and it 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. 1 for Crankshaft Position Sensor A Circuit Malfunction and 9 for Exhaust Gas Recirculation Sensor B Circuit High. The engine code has real meaning and that meaning is found from the car manufacturer. You should read the car manufacturer’s manual for finding the real meaning of the code and solve the car engine problem according to that meaning. Once the car engine is ok, you may drive the car for a test drive.