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6.7L Diesel – Diesel Fuel Conditioning Module (DFCM) General Service Bulletin (GSB)
Some 6.7L diesel vehicles may experience drivability concerns and or excess noise from the Diesel Fuel Conditioning Module (DFCM) due to low fuel pressure.
The most common cause of excess noise and/or low fuel pressure is a restricted primary fuel filter. This GSB references the inspection and bleed procedure for the 6.7L diesel low pressure fuel system inspection, specifially the DFCM.
See GSB: G0000035 for details.
