000601023A
Service Bulletin/Repair Instructions
INFORMATION USED WHEN DIAGNOSING NOISE CONDITIONS SUCH AS ENGINE RATTLE NOISE, SPARK KNOCK AT 2000 - 2500 RPM RANGE, UNDER A MODERATE TO HEAVY LOAD WITH A WARMED UP ENGINE. *TT
Vehicle report
1992 GMC M SERIES
Service bulletins
3 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
99034A
Service Bulletin/Repair Instructions
SOME VEHICLES MAY EXPERIENCE A HARD START CONDITION, ROUGH RUNNING ENGINE, A SERVICE ENGINE SOON LIGHT, MISFIRE, NO START, STALLS OR CATALYTIC CONVERTER ODOR DUE TO FAILURE OF THE CENTRAL MULTIPORT FUEL INJECTION (CMFI) FUEL SYSTEM ALSO KNOWN AS CENTRAL PORT INJECTION (CPI). *TT
99034
Service Bulletin/Repair Instructions
SPECIAL POLICY COVERING FAILURE OF THE CENTRAL MULTIPORT FUEL INJECTION (CMFI) SYSTEM. *TT
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.