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Service bulletin 05-019

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 id10024562
Published by NHTSA2008-04-24
Manufacturer's number05-019
Manufacturer's date2008-02-05
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

ACURA SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. WARRANTY EXTENSION: EGR VALVE CONTAMINATION MAY CAUSE ENGINE HESITATION/SURGE OR DTC P1491. CSC WAS RECEIVED. *NJ

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, Exhaust and emissions, EGR valve

Trouble codes named

P1491

Vehicles listed
ACURA MDX2001, 2002

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
09032004-01-29. Service bulletin. GAS RECIRCULATION VALVE (EGR) SURGE/HESITATION FEELS LIKE AUTOMATIC TRANSMISSION PROBLEM. ACURA SERVICENEWS. *TT