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AnswerJust a chance. I had a 98 that did this randomly. I found out that it was the idle air control valve. I replaced it myself in 20 mins. and saved $400 in labor. I don't know that this will be the case with a 2003, but maybe it will get the ball rolling.

The 2003 expedition is covered free of charge up to 80,000 miles, I know this personally, it happen to me at 79000 miles. they fixed it free of charge still under factory waranty don't let them tell you any different.

its not a recall but Ford put out a service bulliten to the dealers, Its called the alternator wireing harness. If you follow the 1 of the two red wires that comes out of your battery one has a long black clip on it that says "fuseable link" just past this clip two smaller wires branch off. a short one that runs towards the front of the truck and a longer one that runs back towards the bottom of the battery, This longer one is resting on a aluminum AC pipe. Where the wire rests on this pipe, flip the wire over and you will see it is worn down to the bare copper threads, Tape it up and tape where it rests on the pipe or go to ford and order a new one, its a 10 min job you can do yourself. The part is under $40bucks

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โˆ™ 2011-02-03 12:08:05
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Q: Why would your 2003 Expedition XLT just lose power and stall while driving?
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