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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (6.7L Diesel - DTCS P0008 To P0401 - 2500 & 3500) >> Diagnosis and Testing >> P0088-Fuel Rail Pressure Too High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
FUEL CONTROL ACTUATOR
CHECK VALVE DAMAGED OR BLOCKED
LOW PRESSURE FUEL SYSTEM SUPPLY
HIGH PRESSURE FUEL SYSTEM LEAKS
HIGH INLET RESTRICTION
FUEL FILTER
FUEL PRESSURE SENSOR
IN TANK LIFT PUMP

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  .