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Ford Expedition True expeditions require additional transportation conveyances: horses, boats, cars, for example. With a towing capacity around 9,000 pounds, the Ford Expedition can tow any of these. Ford adds a new top end King Ranch model for 2008, as well as an available rear backup camera and power-retractable running boards. The Expedition is meant for utility, not posing.

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Old 08-02-2006, 02:55 PM   #1 (permalink)
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Exclamation 1998 Expedition need help bad!

Ok Guys,

I need help bigtime.... My 1998 Expedition is in trouble... Its an Eddie Bauer edition 4 WD i got diagnostic checks ran and it says O2 Sensore or the MAF sensor...... When it Idles under 1RPM it will shut off..... In the heat we are having i tried to start it and it would go right back off, i had to gas it just to get it to stay on. Does anyone have any Advice..... It is horrible. Almost died trying to take it to the Cincinnati Reds game lastnight. Anything will be greatly appreciated. Thank YOu
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Old 08-04-2006, 03:29 AM   #2 (permalink)
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Hi

If your truck won't idle by it's self. Your IAC valve plunger is probably stuck.
The IAC idle air control valve controls the idle speed. You can try cleaning it with WD40 to loosen it up.

Another thing to do is clean your MAF sensor wires. Use CRC's MAF spray.

Dean

Last edited by Dr1998; 08-04-2006 at 03:33 AM.
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Old 09-05-2006, 05:38 PM   #3 (permalink)
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Hi,
Have 98 2wd had the same problem and it was some type of sensor, but not the onses you mentioned. Ford dealer!!!
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Old 10-15-2006, 07:10 AM   #4 (permalink)
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Idle air control valve did same thing to me...only runs with foot on the gas, otherwise dies immediately
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