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Home >> Fiat >> 2015 >> 500 Pop, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (1.4L 16-Valve Turbo - DTCS P0271-00 To P060C-00 - 500) >> DTC Troubleshooting >> P04DB-00-Crankcase Ventilation System Disconnected >> Possible Causes

Possible Causes

WARNING: This page is about a different variant/trim than selected.
Possible Causes
CRANKCASE VENTILATION HOSE DISCONNECTED OR LEAKING
CRANKCASE VENTILATION HOSE
CRANKCASE PRESSURE SENSOR

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

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