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Service bulletin ENP-731

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10174933
Published by NHTSA2020-05-11
Manufacturer's numberENP-731
Manufacturer's date2020-04-09
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

The Agility Fuel Solutions LLC (Agility®) service team identified certain Package Trucks built on the Ford F59 chassis, powered by the Ford V10 with an Agility® CNG system, exhibiting improper dash fuel gauge readings. Readings include but are not limited to, premature low fuel warning, inoperative fuel gauge, and perceived poor MPG. A running change/product enhancement was released after some units were produced and shipped to the end user.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
AGILITY FUEL SYSTEMS CNG FUEL SYSTEM
AGILITY FUEL SYSTEMS CNG FUEL TANK
AGILITY FUEL SYSTEMS CNG PRESSURE RELIEF DEVIC

Listing a model year does not mean every vehicle of it is concerned: the document says which.