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Service bulletin valve

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 id10213443
Published by NHTSA2022-06-06
Manufacturer's numbervalve
Manufacturer's date2021-03-16
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

Multimodel (eqluipped with idle cointrol valve) High engine idle speed Some customers may complain about a high engine idle speed. A stuck open idle air cointrol valve (IAC) may be the cause.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, EGR valve

Vehicles listed
MAZDA MAZDA

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