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Service bulletin 99034

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 id6089330
Published by NHTSA2000-01-21
Manufacturer's number99034
Manufacturer's date1999-09-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SPECIAL POLICY ADJUSTMENT FOR VEHICLES EXPERIENCING A HARD START CONDITION, ROUGH RUNNING ENGINE, A SERVICE ENGINE SOON LIGHT, MISFIRE, NO START, STALLS OR CATALYTIC CONVERTER ORDER DUE TO FAILURE OF THE CENTRAL MULTIPORT FUEL INJECTION (CMFI) FUEL SYSTEM. *TT

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

Vehicles listed
CHEVROLET CHEVROLET TRUCK1992
CHEVROLET L SERIES1992 to 1995
CHEVROLET M SERIES1992 to 1995
CHEVROLET S SERIES1992 to 1995
CHEVROLET T SERIES1992 to 1995
FORD L SERIES1993 to 1995
GMC L SERIES1992
GMC M SERIES1992 to 1995
GMC S SERIES1992 to 1995
GMC T SERIES1992 to 1995
OLDSMOBILE T SERIES1992 to 1994

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