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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 331 (4.7L - DTCS P05A4 To P2101 - 1500) >> Diagnosis And Testing >> P1DBD-Fuel Pressure Sensor Rationality >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
RESTRICTED FUEL SUPPLY LINE
RESTRICTED FUEL FILTER
FUEL PUMP INLET STRAINER PLUGGED
FUEL LEAK
FUEL PUMP CONTROL OUTPUT CIRCUIT OPEN
FUEL RAIL PRESSURE SENSOR
FUEL PUMP
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .