Gmc W4 1999

Model W4 made in 1999 by Gmc got 8 service bulletins. Technical service bulletines regarding engine and engine cooling, fuel system, gasoline and unknown or other.

Model 1999

Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING - ENGINE
9804810/30/1998615101Customer satisfaction campaign involving fuel injection pump timing gear fracture. *tt12/27/2000
ENGINE AND ENGINE COOLING - ENGINE - GASOLINE
99066D12/01/200199066C628925Some owners may experience a service engine soon light, misfire, rough idle orhard start due to a deposit build-up on the sequential central port fuel inujector (scpi) poppet valve(s). *tt03/25/2002
99066B05/01/200099066A613602Some owners may experience a service engine soon light, misfire, rough idle or hard start. **mr07/25/2000
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM
9804810/01/1998602643Vehicles exhibit a condition in which the injection pump gear may contain a maching burr on the gear surface. *yc01/05/1999
FUEL SYSTEM, GASOLINE - FUEL INJECTION SYSTEM - INJECTORS
99066C11/01/200099066B619002Some 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). *tt05/10/2001
UNKNOWN OR OTHER
0014811/17/2000616390Service 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). the deposit build-up may cause injector poppets to stick closed. *tt02/25/2001
VEHICLE SPEED CONTROL - CRUISE CONTROL
99066C11/01/200099066B617636Some owners of 1996 - 1999 s/t, m/l, c/k, g, p and w4 trucks 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).03/21/2001
99066C11/14/200099066B617575Some owners of 1996 - 1998 model year s/t, m/l, c/k, g, p and w4 trucks, that are registered in california, equipped with 4.3l, 5.0l or 5.7l engine, and california emissions, may experience a service engine soon light, misfire, rough idle o03/19/2001