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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 2.4L Engine - DTCS P0335 To P0508 >> Diagnosis And Testing >> P0457-Loose Fuel Cap >> Possible Causes

Possible Causes

Possible Causes 
LOOSE OR MISSING FUEL CAP
FUEL FILL CAP
EVAP PURGE SYSTEM MEDIUM LEAK

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  (Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE)  .