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Home >> Chrysler >> 2008 >> Pacifica Limited, FWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0430 To P0572 >> P0440-General EVAP System Failure >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
EVAP PURGE SOLENOID VACUUM SUPPLY
EVAP SYSTEM LEAK
EVAP PURGE HOSE/TUBE OBSTRUCTION
(Z166) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
(K107) ESM SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
EVAP PURGE SOLENOID
EVAP SYSTEM MONITOR SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.