1998 Ford Expedition Idle Stall and Rumble

1998 FORD EXPEDITION
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BCBROWN
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I did not drive my car for two weeks in the summer heat of florida. after that my car has never ran right. It will stall ocassionally at idle and around sharp slow turns. the engines also rumbles at high speeds. Any ideas?
May 27, 2006 at 6:55 AM
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LOSONE
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I need the engine, mileage and tranny type. Let me know
May 27, 2006 at 7:08 AM
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BCBROWN
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[quote:95718d40a1="losone"]I need the engine, mileage and tranny type. Let me know[/quote:95718d40a1]
1998 ford expedition 5.4liter 128,000miles, auto trans
May 27, 2006 at 7:25 AM
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LOSONE
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The idling is usually the idle air controller that sits on top of the intake manifold.

Rumbling is a new one , please describle if it a drive line rumble or an engine misfire causing the engine to run rough. Did it set a check engine light if so what code??
May 27, 2006 at 12:57 PM
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Suggested Repair

For the idle stall, check the idle air controller on top of the intake manifold. Also determine whether the high-speed rumble is a driveline vibration or an engine misfire, and retrieve any check-engine codes.

Conversation Summary

A 1998 Ford Expedition 5.4L with 128,000 miles and an automatic transmission began stalling at idle and on slow sharp turns and rumbling at higher speeds after sitting unused for two weeks in Florida heat. The expert said idle problems are usually the idle air controller on the intake manifold and asked whether the rumble is driveline-related or a misfire, and whether a check-engine light set any codes.

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