WenmarOpen by Wenmar Pro

Service bulletin 0407

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 id10008021
Published by NHTSA2004-07-20
Manufacturer's number0407
Manufacturer's date2004-06-07
Replaces0417
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

DPFE SENSOR APPLICATION REVISION. PARTS FLASH. *TT DPFE SENSOR WARRANTY EXTENSION PROGRAM - SPECIAL SERVICE PROGRAM (SSP) 59. *TT

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, Equipment and accessories, Exhaust and emissions, EGR valve

Vehicles listed
MAZDA B-SERIES TRUCK2001, 2002 (the catalog's model; the bulletin names a series or trim of it)
MAZDA TRIBUTE2001, 2002
UNKNOWN UNKNOWN1

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

Other bulletins for the same vehicles and component
592004-12-03. Service bulletin. DELTA PRESSURE FEEDBACK EGR (DPFE) SENSOR WARRANTY EXTENSION PROGRAM. SPECIAL SERVICE PROGRAM (SSP) 59. *TT