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Home >> Fiat >> 2021 >> 500X Pop >> Repair and Diagnosis >> Engine Performance >> System >> 1.3L - DTCS P1046 To P1DBD >> DTC Troubleshooting >> P1DBD-Fuel Pressure Sensor Rationality >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes
FUEL SYSTEM LEAK OR RESTRICTION
FUEL RAIL PRESSURE SENSOR
FUEL PUMP

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

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