Technical Bulletin (Fuel Rail/System Pressure, and Pressure Sensor issues):
When diagnosing the Fuel Rail/System Pressure, and Pressure Sensor issue condition on a common rail diesel vehicle, if no root cause is found after checking all other components and all GFF diagnostic procedures have been performed, it may be necessary to check for metallic particles in the High Pressure Fuel Pump. This document contains the method to diagnose, and to service this issue
