Acura MDX 2014–2016 — technical service bulletin
Bulletin SB-16-008 · NHTSA communication 10193235 · issued Mar 23, 2016
Technical service bulletin
communication type
Fuel System, Gasoline
component
2014–2016
model years
5
vehicle entries
Official summary
SYMPTOM The high pressure fuel pump area chirps after the engine is warm. POSSIBLE CAUSES The high pressure fuel pump is making a chirp. NOTE: This noise does not impact pump, engine function, or reliability CORRECTIVE ACTION Replace the high pressure fuel pump.
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.