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Service bulletin FSB-293-026

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 id10056267
Published by NHTSA2014-10-18
Manufacturer's numberFSB-293-026
Manufacturer's date2014-07-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

MACK: TO UPDATE SYSTEM TO CURRENT LEVELS, THE EGR VENTURI TUBE OR EGR DIFFERENTIAL PRESSURE SENSOR SHOULD BE REPLACED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions, EGR valve

Vehicles listed
MACK ENGINE & ENGINE COOLING

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