1999 CHEVROLET S/T PICKUP TSBs (4)

Bulletin:: 99066C
Component:: 185000 vehicle speed control:cruise control
Summary:: Some 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).
Bulletin:: 000604053
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Some owners may comment on a hiss noise at closed throttle only. it may sound similar to a belt noise or a power steering pump noise when it is cold. *tt
Bulletin:: 111200
Component:: 061100 engine and engine cooling:engine:gasoline
Summary:: Some customers may complain that their full-size pickup trucks may be hard to start or intermittently does not start. *tt
Bulletin:: 010729001
Component:: 102000 power train:manual transmission
Summary:: Some owners may comment on the manual transmission coming out of gear. typically 1st gear is most affected. *tt