Ford Econoline 1999 — technical service bulletin
Bulletin 996701 · NHTSA communication 608439 · issued Aug 1, 1999
Technical service bulletin
communication type
Unknown OR Other
component
1999
model years
2
vehicle entries
Official summary
Vehicles with 5.4l engines and 9vza-ah or 9vza-bl calibrations may set a mil light with a diagnostic trouble code of p1406 (dpfe downstream hose off or plugged). *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.