The automobile dictionary meaning of the P0319 Code is available online and you have to rely on the real meaning of the code. The general meaning of the code or the automobile dictionary meaning of the code are same thing. The automobile dictionary meaning of the code is found online and it is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 0 for Intake Valve Control Solenoid Circuit Low. 3 for Engine Oil Temperature Sensor Malfunction. 1 for Cylinder 10 Contribution/balance Fault and 9 for Exhaust Gas Recirculation Sensor B Circuit High. A test drive is recommended when the car engine is ok.