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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 434 (6.7L Diesel - DTCS P0420 To P1208 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P054F-Idle Control System - Fuel Quantity Higher Than Expected >> 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 
FUEL INJECTOR SUPPLY LINE
FUEL INJECTOR HIGH PRESSURE CONNECTOR
FUEL INJECTOR

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

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