Noise under throttle - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 04-20-2013, 06:53 PM Thread Starter Rookie
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Noise under throttle

At half throttle I hear an intermittent noise that sounds like you are blowing into a reed, air filter is not dirty and I clean the pre filter regularly, this is not a constant noise but I would appreciate some possible causes for this.
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post #2 of 3 Old 04-20-2013, 07:18 PM
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I have a gap in my exhaust pipe about mid way through, u-bolt is loose, been to lazy to tighten. I can hear "blowing" depending on my throttle response. Does it sound like its coming from the intake?

2004 F-250 Lariat CCSB

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VA Strokers
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post #3 of 3 Old 04-22-2013, 07:25 PM Fanatic
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Sounds like you are hearing what is called turbo flutter. It's normal and a lot louder with a cai.
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