Buick Park Avenue 1992–1995 — technical service bulletin
Bulletin 970501776515 · NHTSA communication 53021 · issued May 1, 1997
Technical service bulletin
communication type
Engine and Engine Cooling
component
1992–1995
model years
13
vehicle entries
Official summary
Information based on engine idle surge, or mil (malfunction indicator lamp) illuminated with dtc (diagnostic trouble code) p0131, p0171 or 44 set. *yc
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.