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idle problems

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May 9, 2008 | 04:04 AM

#1

Nate4.2

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idle problems

hello everyone. I just got a 99 f250 super duty with 125000 miles and am having some issues geting it to idle down wen coming to a stop. it idles aroung 1500 to 1700 unless in park or nutrel. i have already changed the brake booster and idle air controle valve as well as the vacume hose. so im stumped. dose anyone have any ideas????

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May 9, 2008 | 08:27 AM

#2

385seriesHemi

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From: Malvern, Ohio

Have you checked the TPS?

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May 9, 2008 | 08:31 AM

#3

385seriesHemi

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From: Malvern, Ohio

Also have you hookedup a code reader at all? Sometimes its a physical thing holding up something not causing a MIL and then theres the small thing that causes the MIL.

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May 9, 2008 | 11:01 AM

#4

Nate4.2

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no i have not checkd the tpi yeat but the truck dosent throw any codes even wen i un plug the mas sensor

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