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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0440 To P060B >> Diagnosis And Testing >> P0457-EVAP System - Loose Fuel Cap >> Possible Causes

Possible Causes

POSSIBLE CAUSES
LOOSE OR MISSING FUEL FILLER CAP
LARGE EVAP SYSTEM LEAK

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .