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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 02-22-2002, 01:24 AM
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madman666 madman666 is offline
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wont idle below 1000 rpm....

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Old 02-24-2002, 10:37 PM
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mike460 mike460 is offline
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wont idle below 1000 rpm....

i have an 88 f150 with a 300 i6 and it wont idle below 1000 rpm, even with the idle screw all the way out. anybody have any clue whats wrong? thanks,
mike
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Old 02-25-2002, 06:13 AM
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MARC MARC is offline
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wont idle below 1000 rpm....

I would guess that your distributor has turned, or more likely you have a vacuum line loose or off. I had a vacuum line off on my 460, and it would idle @ 1000-1100 rpm, found the leak and idle returned to 550-650


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Old 02-25-2002, 07:33 PM
Lightning2Fast Lightning2Fast is offline
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wont idle below 1000 rpm....

pull the iac valve off and see if it is stuck open. they get all gummed up and dont move too well anymore.
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Old 02-25-2002, 07:43 PM
Phillip Guidry Phillip Guidry is offline
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wont idle below 1000 rpm....

While you clean the air bypass valve, also clean the throttle bores with a brush, solvent and a rag....it will idle way better regardless
Phil
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Old 02-25-2002, 07:43 PM
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