Chevrolet Express 2003 — technical service bulletin
Bulletin 040604057 · NHTSA communication 10011213 · issued Aug 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
4
vehicle entries
Official summary
Start/stall or poor driveability after restart, loss of gasoline or cng hours/miles data with bi-fuel vehicle. *tt
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.