2003 Ford Expedition Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 2003 Ford Expedition
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2003 Ford Expedition ProblemsIgnition Coil Failure Due to Excessive Spark Plug Gap
An illuminated Check Engine Light could indicate that one or more of the ignition coils has failed due to excessive spark plug gap. To fix this problem, the ignition coils that have failed, the spark plugs, and all coil boots should be replaced.
There is a technical service bulletin for the V8 engines regarding a possible problem with the spark plug being ejected from the cylinder head, damaging the threads in the spark plug hole. If the vehicle is under warranty, cylinder head replacement is recommended. If the vehicle is out of warranty, Ford authorized the use of a specific thread insert to repair the head.
The mass air flow sensor (MAF) may fail resulting in a rough engine idle, hesitation on acceleration, and/or engine stalling. The Check Engine Light may or may not illuminate. A failed mass air flow sensor will require replacement.
2003 Ford Expedition QuestionsFUEL PUMP RELAY FUSE (1 answer)
I see everyone having the same problems I had with my 2003 Expd. Stalling, then cranking but not turning over. I changed my fuel pump, my battery, my fuel filter, and then I got some good info. The relay Fuse board in the Expeditions are somehow getting damp. The fuses when damp will burn up. I ...
We replaced all those parts and still no start I am getting a buzzing noise from the fuse box any suggestions on what the problem could be please help
and forth between normal temperature and dropping to cold
2003 Ford Expedition RecallsVehicle With Installed Southern Comfort Running Boards Recalled Due to Board Lamp Failure
The courtesy lamps on affected running boards may overheat when exposed to moisture and road salt. Overheating may cause the lamps and boards to melt or start a fire. Dealers will replace the wiring harness for these running boards.