whistling from intake and slight power loss - Ford Powerstroke Diesel Forum

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post #1 of 5 Old 01-27-2014, 11:46 PM Thread Starter
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whistling from intake and slight power loss

Whistling from intake tube, goes away under acceleration or if you push down on the rubber area of air box tubing. Also when it started I believe my boost has went down from 25 to 20. Any ideas what it might be?
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post #2 of 5 Old 01-28-2014, 04:19 AM
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If it is affecting your boost, check the passanger side (hot) CAC Tube and boots for leaks. I would check both for leaks while you are there. Simple Green cleaner spray around and it will bubble just like checking a tire for a leak... I was able to get a cold side leak to bubble at idle, not sure about the hot side...
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post #3 of 5 Old 01-28-2014, 06:37 AM
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As mentioned check the air induction pipeing and even the rubber parts of the air box sometimes splits..


Lord I shall lead them to the water but I will not try to make them drink
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post #4 of 5 Old 02-02-2014, 12:36 PM Thread Starter
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thanks for the replys it stopped doing it, dont know why
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post #5 of 5 Old 02-02-2014, 07:16 PM
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could be your filter indicator on the side of the filter box making a hissing noise... mine hisses pretty bad but no harm in it leaking

Late 04 f350 lariat.

bpd
marty's regulated return
205/75 injects from holder's
WPE stage 3 ported intake
64.5 borg warner fmw ,compounds in the works now! Comp turbo set up
Warren comp trans
all the typical mods

Big thanks to Dale! The man is a true professional
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