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Service bulletin 990849007

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 id606089
Published by NHTSA1999-08-06
Manufacturer's number990849007
Manufacturer's date1999-06-01
NHTSA componentFUEL SYSTEM, OTHER

NHTSA's summary

SOME VEHICLES BUILT WITHIN VIN BREAKPOINTS XJ105482 AND XJ510031 MAY EXHIBIT INACCURATE FUEL GUAGE READINGS, VEHICLE RUNS OUT OF FUEL, OR FUEL GAUGE REGISTERS FULL BUT MAY STILL ADD FUEL. *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

Fuel system

Vehicles listed
CHEVROLET C SERIES1990 to 1999
CHEVROLET T SERIES1997, 1998, 1999
GMC C SERIES1990 to 1999
GMC T SERIES1997, 1998, 1999

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
0206040412002-10-04. Service bulletin. DIAGNOSTIC HINTS / TROUBLESHOOTING GUIDE FOR DENSO COMMON RAIL FUEL SYSTEM FOR CERTAIN MEDIUM DUTY TILT CAB AND COMMERCIAL MODELS. *TT
010604037B2002-02-25. Service bulletin. INFORMATION REGARDING FUEL TRANSFER PUMP INOPERATIVE. *YH
0106040372001-10-29. Service bulletin. SOME CUSTOMERS MAY COMMENT ON INOPERATIVE SECONDARY FUEL TANK TRANSFER PUMPS. *TT
0106040372001-10-29. Service bulletin. TECHNICAL SERVICE BULLETIN REGARDING FUEL TRANSFER PUMP INOPERATIVE. *TT
99066A2000-06-06. Service bulletin. SOME VEHICLES MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT
990662000-01-14. Service bulletin. SPECIAL POLICY ADJUSTMENT COVERING THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) FAILURE CONDITION. *TT