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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1617 (6.4L - DTCS P0206 To P0562 - 2500 Hd) >> DTC Troubleshooting >> P0456-EVAP System Small Leak >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
EVAP SYSTEM PLUMBING LEAK
CHARCOAL CANISTER LEAKING
FUEL TANK OR FUEL PUMP SEAL LEAKING
ESIM MOUNTING SEAL LEAKING
ESIM INTERNAL CHECK VALVES LEAKING
PURGE SOLENOID LEAKING
RESTRICTION IN THE CANISTER TUBE BETWEEN THE FUEL TANK AND CHARCOAL CANISTER

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .