Chevrolet Aveo 2004–2008 — technical service bulletin
Bulletin SB-08-06-04-027 · NHTSA communication 10025422 · issued Apr 1, 2008
Technical service bulletin
communication type
Electrical System
component
2004–2008
model years
5
vehicle entries
Official summary
Ei08145-1.6l l91, ses light illuminated, p0420 catalyst system low efficiency, o2 lean limit code p0131, p0133. *pe updated 8/4/10. *pe
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.