Chevrolet Impala 2001–2002 — technical service bulletin
Bulletin 030605002 · NHTSA communication 10000933 · issued Jan 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2002
model years
2
vehicle entries
Official summary
Service engine soon (ses) light on, reduced vehicle performance, acceleration and top speed. *tt
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.