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Service bulletin FSB 293-024

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 id10083530
Published by NHTSA2016-10-25
Manufacturer's numberFSB 293-024
Manufacturer's date2014-02-21
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

EXHAUST GAS RECIRCULATION (EGR) DIFFERENTIAL PRESSURE SENSOR, ON MACK VEHICLES BUILT BETWEEN JANUARY 1, 2007 AND JANUARY 1, 2013 THAT REQUIRE THE REPLACEMENT OF THE EGR VENTURI TUBE OR AN EGR DIFFERENTIAL PRESSURE SENSOR, IT WILL BE NECESSARY TO REPLACE THEM WITH A KIT TO UPDATE THE SYSTEM TO THE CURRENT LEVELS.

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 MACK

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