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Home >> Jeep >> 2008 >> Compass Limited, AWD, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (DTCS P0353 To P0503 (Gas)) >> P0456-EVAP System Small Leak >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
EVAP PURGE SOLENOID VACUUM SUPPLY
EVAP PURGE HOSE/TUBE OBSTRUCTION
EVAP SYSTEM LEAK

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  . 

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