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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 848 (5.7L - DTCS P1456 To P2302 - 1500) >> Diagnosis And Testing >> P1DBD-Fuel Pressure Sensor Rationality >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
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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