Jeep Repair: Engine Light Code P0441, jeep wrangler, evap purge solenoid

Question
My engine light came on in my 01 Jeep Wrangler....the code reads P0441....could you please tell me what this is and how do I fix it

Answer
Symptom:
P0441-EVAP PURGE FLOW MONITOR

POSSIBLE CAUSES
EVAP CANISTER
VEHICLE HISTORY AND SERVICE BULLETIN INVESTIGATION
WIRING HARNESS INTERMITTENT
EVAP PURGE HOSE (CANISTER TO FUEL TANK)
EVAP PURGE HOSE (SOLENOID TO CANISTER)
EVAP PURGE SOLENOID VACUUM SUPPLY
EVAP PURGE SOLENOID (LEAKY/STUCK OPEN)
EVAP PURGE SOLENOID (STUCK CLOSED)
TEST ACTION