Isuzu Hombre 1998 — technical service bulletin
Bulletin 0403S001 · NHTSA communication 10006665 · issued Feb 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
1
vehicle entries
Official summary
Service engine soon (ses) light illuminated, diagnostic trouble code (dtc) p0420 set. *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.