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TSB Main Page
Publication Date: March 10, 2006

2003-2005 Excursion, F-Super Duty
2004-2005 E-Series

This article supersedes TSB 06-3-10 to update the part number listed in Step 2(b) of the Service Procedure.


  • Some 2003-2005 F-Super Duty vehicles built prior to 9/22/2004, 2003-2005 Excursion vehicles built prior to 1/10/2005, and 2004-2005 E-Series vehicles built prior to 9/16/2004, equipped with a 6.0L diesel engine, may exhibit an intermittent/flickering water-in-fuel (WIF) lamp. The intermittent condition may be more prominent while turning corners, braking, or during uphill/downhill driving
  • Some 2003-2005 F-Super Duty and Excursion vehicles may exhibit a continuous WIF lamp on, even without the presence of water, due to debris in the reservoir or corrosion on the WIF sensor pins located in the manifold
  • Some 2003-2005 F-Super Duty and Excursion vehicles may exhibit both intermittent/flickering and continuous WIF due to corrosion and the lack of new calibration


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