Service bulletins for the 2008 Mazda Mazda3
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.
225 on file from NHTSA, as of 2026-10-19.
About P2004 on the 2008 Mazda Mazda3: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: P2004 are shown. Show all
| SB-01-012-09 | 2009-09-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. MAZDA: MIL COMES ON WITH P2004/CHECK VALVE STUCK OPEN. SOME VEHICLES MAY EXPERIENCE AN MIL THAT COMES ON WITH DTC P2004 (VARIABLE TUMBLE SHUTTER VALVE STUCK OPEN). THE CAUSE MAY BE THE CHECK VALVE IN THE INTAKE MANIFOLD VACUUM CHAMBER BEING STUCK OPEN. CHECK VALVE HAS NOW BEEN UPDATED. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.