WenmarOpen by Wenmar Pro

Service bulletins for the 1994 Mazda B-Series

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.

57 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Exhaust and emissions are shown. Show all

Bulletins, newest first
012981999-01-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. EXPERIENCING A BUZZING OR RATTLING NOISE MAY BE HEARD COMING FROM THE EXHAUST SYSTEM DURING NORMAL DRIVING CONDITIONS OR AT IDLE. *YC
F004/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. GROWLING NOISE FROM DASH - DPFE SENSOR NOISE. *TW
F004/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). GROWLING NOISE FROM DASH - DPFE SENSOR NOISE. *TW

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.