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Home >> Chrysler >> 2007 >> PT Cruiser Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0340 To P050B >> P0457-Loose Fuel Cap >> Possible Causes

Possible Causes

Possible Causes 
LOOSE OR MISSING FUEL CAP

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