Honda Passport 1996–1997 — technical service bulletin
Bulletin 99035 · NHTSA communication 610284 · issued Jul 6, 1999
Technical service bulletin
communication type
Engine and Engine Cooling
component
1996–1997
model years
2
vehicle entries
Official summary
Experiencing the engine detonating (pinging) when accelerating lightly below 3,000 rpm. *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.