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03-4-2
  • FUEL - BI-FUEL - CNG FUEL LEAK AT FILL VALVE - E-SERIES AND F-SERIES CNG FILL VALVE - REVISED SERVICE PARTS
Publication Date: February 18, 2003

FORD:
1997-1999 F-250 LD
1997-2003 E SERIES, F-150

ISSUE:

On some dedicated CNG vehicles, a possible fuel leak may occur at the fuel fill valve. The previous practice to service failed CNG fill valves was with a flange assembly consisting of a flange and a fill valve. That practice needlessly complicated production and service part numbering since the same fill valve in different flange assemblies was numbered differently. The bypass feature for CNG fill valves is no longer required due to revisions in service procedures and equipment. The fill valve for Bi-Fuel vehicles was already serviced separately, but the service part will no longer have a bypass.

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