P0444 EVAP failure

[Homeoboxter]

Hey Folks,

I got a CEL shortly after refueling. The code is P0444, indicating it`s an EVAP system related issue (“Evaporative Emission System Purge Control Valve Circuit Open.”) I don`t have issues with filling up the tank, no stalling. I haven`t mess with anything recently in the engine compartment. I erased the code but the CEL came on within 20 mins.

I searched around the web and the forum regarding this code and found multiple causes including gas cap, purge valve, charcoal canister, vent lines, etc. Is there a recommended route to take on exploring the potential culprits?

Thanks!