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Home >> Chrysler >> 2010 >> PT Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Gas - DTCS P0441 To P0532 >> P0457-EVAP System - Loose Fuel Cap >> Possible Causes

Possible Causes

Possible Causes 
LOOSE OR MISSING FUEL CAP

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