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Home >> Chrysler >> 2012 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (6.4L - DTCS P0202 To P0521) >> Diagnosis And Testing >> P0440-General EVAP System Failure >> Possible Causes

Possible Causes

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Possible Causes
EVAP PURGE SOLENOID VACUUM SUPPLY
EVAP SYSTEM LEAK
EVAP PURGE HOSE/TUBE OBSTRUCTION
GROUND CIRCUIT OPEN OR HIGH RESISTANCE
(K108) ESIM SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
EVAP PURGE SOLENOID
EVAPORATIVE SYSTEM INTEGRITY MONITOR (ESIM) SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .