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Service bulletin 18121

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 id10011332
Published by NHTSA2005-01-18
Manufacturer's number18121
Manufacturer's date2004-09-01
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

NHTSA's summary

FUEL GAUGE SLOW TO UPDATE. *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

Fuel system

Vehicles listed
FORD EXPLORER2002, 2003, 2004
MERCURY MOUNTAINEER2002, 2003, 2004

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

Other bulletins for the same vehicles and component
061672007-02-27. Service bulletin. MIL ON WITH DTC P0463 OR ERRATIC FUEL GAUGE OPERATION. *KB
052132006-03-13. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH PCM DIAGNOSTIC TROUBLE CODE P0463 AND/OR IC DIAGNOSTIC TROUBLE CODE B1201 - FUEL GAUGE DROPS TO EMPTY OR SLOW TO UPDATE AFTER REFUELING. *TT
187192005-12-06. Service bulletin. MALFUNCTION INDICATOR LAMP COMING ON WITH DIAGNOSTIC TROUBLE CODES (DTCS) P0171, P0172, P0174 AND/OR P0175 (FUEL SYSTEM TOO RICH OR LEAN). *TT
0421152005-04-18. Service bulletin. FUEL GAUGE SLOW TO UPDATE AFTER REFUELING. *EH
182242004-12-08. Service bulletin. RUNS ROUGH OR MISFIRE - DIAGNOSTIC TROUBLE CODES P0300-P0308 OR P0316. *TT
182172004-12-07. Service bulletin. MULTIPLE VEHICLES - FUEL LEVEL INDICATION CONCERNS - SERVICE TIP. VARIOUS MODELS INCLUDING 2005 SUPER DUTY F-SERIES, EXCURSION, EXPEDITION, EXPLORER, MOUNTAINEER AND AVIATOR. *TT
173162004-07-23. Service bulletin. FUEL SIGNAL TO INSTRUMENT CLUSTER SERVICE TIP. *TT
174942004-06-11. Service bulletin. DISTANCE TO EMPTY NOT DISPLAYED. *TT
169292003-11-04. Service bulletin. ROUGHNESS/ROLLING RPM WHEN RETURNING TO IDLE (I.E., COMING TO A STOP) AFTER A SHORT TRIP. *TT
03982003-09-17. Service bulletin. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION WITH DIAGNOSTIC TROUBLE CODES P0442, P0455, P0456, P0457, P1442 OR CHECK FUEL CAP LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0457. *TT