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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0339 To P0507 >> P0456-EVAP Purge System Small Leak >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
EVAP PURGE SYSTEM LEAK
EVAP PURGE SOLENOID
EVAP SYSTEM MONITOR SWITCH

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

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