Honda Civic 1996–2000 — technical service bulletin

Bulletin 05027 · NHTSA communication 10017639 · issued Jun 10, 2005

Technical service bulletin

communication type

Engine and Engine Cooling

component

1996–2000

model years

vehicle entries

Official summary

Malfunction indicator lamp on with diagnostic trouble code p0420 or engine ping under load. *tt

Vehicles covered

1996 Honda Civic
1997 Honda Civic
1998 Honda Civic
1999 Honda Civic
2000 Honda Civic

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.