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Service bulletin IB11-L-003D

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 id10190782
Published by NHTSA2021-04-26
Manufacturer's numberIB11-L-003D
Manufacturer's date2021-03-04
NHTSA componentFUEL SYSTEM, GASOLINE; STRUCTURE; AIR BAGS

NHTSA's summary

THIS INFORMATION IS BEING ISSUED TO HELP DEALERS IDENTIFY APOTENTIAL SOURCE FOR FUEL CONTAMINATION. IF A CUSTOMER'S COMPLAINT LEADS TO THE DISCOVERY OF CONTAMINATED FUEL, THE SOURCE OF THE CONTAMINATION MUST BE FOUND AND REPAIRED. CONTAMINATED FUEL MAY RESULT IN MANY DIFFERENT FAILURES. SOME EXAMPLES OF THESE FAILURES ARE: PLUGGED FUEL FILTERS, POOR ENGINE PERFORMANCE, CHECK ENGINE LIGHT ILLUMINATION, FUEL SYSTEM (LINES AND TANK) CORROSION (RUST), ETC...ISUZU'S FAILURE INVESTIGATIONS HAVE FOUND A COMMON OCCURENCE OF THE FUEL FILLER NECK BEING INSTALLED INCORRECTLY. THIS POOR INSTALLATION WILL ALLOW UNWANTED MATERIAL TO ENTER THE FUEL TANK CONTAMINATING THE FUEL. USE THE INFORMATION BELOW TO CONFIRM THE FUEL FILLER NECK IS INSTALLED CORRECTLY. IF THE FILLER NECK INSTALLATION IS INCORRECT, USE THE INFORMATION BELOW TO REPAIR THE FUEL FILLER NECK. DETAILED INFORMATION REGARDING FUEL FILLER NECK INSTALLATION CAN BE FOUND IN ISUZU'S BODY BUILDER GUIDE.

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

Air bags, Body and frame, Fuel system

Vehicles listed
ISUZU N-SERIES2011 to 2021

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