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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (5.7L - DTCS P1496 To P2314 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P1DBD-Fuel Pressure Sensor Rationality >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. 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  .