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Service bulletin 99083

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 id6091560
Published by NHTSA2000-11-02
Manufacturer's number99083
Manufacturer's date2000-10-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

ON SOME VEHICLES THE AIR INJECTION REACTOR (A.I.R.) PUMP EMISSION CONTROL SYSTEM MAY FAIL TO OPERATE AND CAUSE THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. *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, Exhaust and emissions

Vehicles listed
CHEVROLET CAMARO1995, 1996, 1997
PONTIAC FIREBIRD1995, 1996, 1997

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
1300890092023-12-11. Service bulletin. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
0406010212005-02-15. Service bulletin. NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION. *TT
01119A2004-07-02. Service bulletin. ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS. ALSO INCLUDES 2003/2004 M/L VANS. *TT
990832001-05-10. Service bulletin. ON CERTAIN VEHICLES, THE AIR INJECTION REACTOR (A.I.R.) PUMP EMISSION CONTROL SYSTEM MAY FAIL TO OPERATE AND CAUSE THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. *TT
000962001-04-04. Service bulletin. VEHICLES MAY EXPERIENCE EXHAUST GAS RECIRCULATION VALVE FAILURES. *JB
000962001-04-03. Service bulletin. CONCERNS W ITH EXHAUST GAS RECIRCULATION VALVE FAILURES. *JB
990832001-03-19. Service bulletin. GENERAL MOTORS HAS DECIDED TO CONDUCT A VOLUNTARY EMISSION CAMPAIGN FOR THE AIR INJECTION REACTOR (AIR) PUMP EMISSION CONTROL SYSTEM WHICH MAY FAIL TO OPERATE AND CAUSE THE MALFUNCTION INDICATOR LAMP TO ILLUMINATE. *TT
000962001-03-09. Service bulletin. SOME CUSTOMERS MAY EXPERIENCE A FAILURE OF THE EXHAUST GAS RECIRCULATION (EGR) VALVE DUE TO CORROSION OF THE INTERNAL DIAPHRAGM PLATE, LEADING TO DRIVEABILITY COMPLAINTS OF A CHECK ENGINE LIGHT FOR EGR VALVE (DTC P0400); OR ENGINE STALL AT IDLE, RUNS ROUGH OR SURGES. *TT
001402001-02-25. Service bulletin. A CONDITION MAY EXIST WHERE THE AIR INJECTION REACTOR (AIR) PUMP EMISSION CONTROL SYSTEM MAY FAIL TO OPERATE AND CAUSE THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. *TT
990832000-12-29. Service bulletin. VOLUNTARY EMISSION CAMPAIGN INVOLVING THE AIR INJECTION REACTOR (AIR) PUMP EMISSION CONTROL SYSTEM WHICH MAY FAIL TO OPERATE AND CAUSE THE MALFUNCTION INDICATOR LAMP (MIL) TO ILLUMINATE. *TT