Chevrolet Cobalt 2003–2007 — technical service bulletin
Bulletin 3627 · NHTSA communication 10018624 · issued Jan 9, 2006
Technical service bulletin
communication type
Fuel System, Gasoline
component
2003–2007
model years
9
vehicle entries
Official summary
Fuel tank is slow to fill and/or dtc p0446 - inspect evap vent pipe. The ses lamp may be illuminated due to a p0466 dtc. *tt updated 08-15-07. *kb
Vehicles covered
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.