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Service bulletin 4657

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id615193
Published by NHTSA2001-01-03
Manufacturer's number4657
Manufacturer's date1998-08-01
NHTSA componentVEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

SOME TRUCKS EQUIPPED WITH THE 7.3L DIT MAY EXHIBIT A LACK OF POWER, POOR FUEL ECONOMY, MALFUNCTION INDICATOR LAMP LIGHT ON, NO / HARD START OR RUNS ROUGH AFTER DRIVING IN NORMAL RAIN CONDITIONS. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Throttle and cruise control

Vehicles listed
FORD F SUPER DUTY1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.