Mazda B-Series Truck 1994 — technical service bulletin
Bulletin F004/95 · NHTSA communication 39751 · issued Feb 1, 1994
Technical service bulletin
communication type
Engine and Engine Cooling
component
1994
model years
1
vehicle entries
Official summary
Growling noise from dash - dpfe sensor noise. *tw
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.