Not likely.
Trouble code P0446 means: EVAP Vent System Performance
Trouble code P0440 means: EVAP System No Flow During Purge First thing to check is your gas tank cap. The vehicle will give this code if it is faulty or loose.
Do you mean P0433 ? - Evap Canister Purge Control Solenoid or Valve Faulty or Faulty Circuit
A P0507 DTC trouble code may be caused by one or more of the following:A vacuum leakLeaking air intake after the throttle bodyEGR valve leaking vacuumA faulty positive crankcase ventilation (PCV) valveDamaged/failed/dirty throttle bodyFailed EVAP systemFailed IAC (idle air controller) or faulty IAC circuit
No. The purge valve is part of the EVAP system. The EVAP system reclaims and burns the gasoline fumes from the fuel tank and prevents the fumes from escaping into the atmosphere. A faulty purge valve would cause the "check engine" to illuminate but not cause the engine of the vehicle to "die".
A large EVAP leak, probably a faulty gas cap
Trouble code P1477 means: EVAP LDP Circuit Malfunction
either in the high pressure line from the condenser to the evap or just in the evap tube behind the pressure line connector
Trouble code P0440 means: EVAP Purge System Fault Trouble code P0441 means: EVAP Purge Flow Monitor Fault
From AutoZone on a 2008 Kia Sorento LX "EVAP emission system - very small leak Probable cause 1. Faulty fuel cap 2. Leakage in emission system 3. Faulty vent solenoid
p1446
Large EVAP leak