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Service bulletin 982691

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 id603579
Published by NHTSA1999-02-25
Manufacturer's number982691
Manufacturer's date1998-04-01
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

CONCERNS OF ENGINE CHECKLIGHT ON AND DTC P1506 ( IDLE AIR CONTROL OVER SPEED ERROR ) AND/OR FAST IDLE. *YC

The document

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

Trouble codes named

P1506

Vehicles listed
FORD EXPEDITION1997, 1998
FORD F SERIES1997 to 1998
LINCOLN NAVIGATOR1997
LINCOLN NAVIGATOR1998

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