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V10 idle surge

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Old

Apr 30, 2016 | 12:39 PM

#1

Hann99

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From: McCleary, Wash

V10 idle surge

I have a 1999 F 250SD V10 and with the AC on the engine will surge at ldle 5 to 6 hundred RPMs when the AC compressor comes on.

Does not do it in vent mode of course. The PCV hose been replaced and the fuel pump has been replaced. Any Ideas?

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Old

Apr 30, 2016 | 06:09 PM

#2

Tom

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From: Isanti, MN

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Almost sounds like your idle air control valve isn't able to control the idle speed. I'd suggest removing it, checking it's condition, and cleaning it out with a can of brake cleaner.

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Old

Apr 30, 2016 | 06:53 PM

#3

Bently_Coop

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From: Kent Station, WA

You can clean the IACV whie on the truck with Seafoam through the brake booster vacuum hose.

I did this prior to replacement, worked temporarily.

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Old

Apr 30, 2016 | 06:53 PM

#4

Bently_Coop

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From: Kent Station, WA

double post

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Old

May 1, 2016 | 08:53 AM

#5

Hann99

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From: McCleary, Wash

Quote:

Originally Posted by Tom

Almost sounds like your idle air control valve isn't able to control the idle speed. I'd suggest removing it, checking it's condition, and cleaning it out with a can of brake cleaner.

I will try this before I replace it. Thanks

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Old

May 1, 2016 | 08:53 AM

#6

Hann99

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From: McCleary, Wash

Quote:

Originally Posted by Bently_Coop

You can clean the IACV whie on the truck with Seafoam through the brake booster vacuum hose.

I did this prior to replacement, worked temporarily.

Thanks for your help😀

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Old

May 1, 2016 | 04:25 PM

#7

Tom

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From: Isanti, MN

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Let us know how it turns out!

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