Volvo S80 1999 — technical service bulletin
Bulletin 2829 · NHTSA communication 620144 · issued Feb 27, 2001
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999
model years
3
vehicle entries
Official summary
Subject regarding mass air flow sensor replacement. When replacing a mass air flow sensor (maf), especially when diagnostic trouble codes have been logged in memory, it is important to reset the engine management control unit (ecm) adaptive values. *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.