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Service bulletin ENP-728

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 id10184242
Published by NHTSA2020-12-14
Manufacturer's numberENP-728
Manufacturer's date2020-11-13
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; FUEL SYSTEM, OTHER

NHTSA's summary

UPDATED: Warning & signal word flags and definitions; REVISED: Figure 5; RENAMED: ?Needle Valve? is now ?Defuel Valve;? ADDED: Cylinder valve images and specs; REVISED: HP filter maintenance intervals; DELETED: Draining the HP filter; DELETED: Draining PRD Vent Lines; UPDATED: Defueling Preparation and Procedures

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

Electrical system, Equipment and accessories, Fuel system, Labels and manuals

Vehicles listed
AGILITY FUEL SYSTEMS LNG FUEL SYSTEM

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