Noise when under boost
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This is a discussion on Noise when under boost within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; ok I have a 14 WRX and running stage 2 and have been running it for a while over 2 ...

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    Noise when under boost

    ok I have a 14 WRX and running stage 2 and have been running it for a while over 2 months a couple days ago when under boost it makes a noise that sounds like it's the BOV but I have no idea and can't find any hoses off or things like that. It is a squealing sound like an air leak not like a bearing going bad but don't know for sure? Any suggestions would be AWESOME this noise is very annoying and I love my car and would like to get this resolved.

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    The Guy On The Couch TownLine500's Avatar
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    What intake do you have?
    Mine made a whistling type noise it was weird.
    I ended up tightening all the hose clamps.
    Check around throttle body hose, and turbo inlet for leaks.
    Then tighten them a little as well.
    Hope that'll do it.
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    Village Idiot McBill's Avatar
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    It sounds like some sort of boost leak to me. Do you have a way to data log or monitor your boost levels?
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    Registered User nsibanez's Avatar
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    Throttle body to Intercooler hose
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    zax
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    Please log your fuel trims (AFR Learning #1)

    Go for a drive varying your vehicle speed but don't accelerate quickly. Hold each speed for about 20 seconds at a time:

    20mph, 30mph, 40mph, 50mph, 60mph

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    Pro Manscaper Mikie13's Avatar
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    Quote Originally Posted by nsibanez View Post
    Throttle body to Intercooler hose
    This.
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    What rpm?

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    throttle body to ic or intake to turbo I have had both oem hoses leak from a loose clamp. 20 minute fix at your dealer at worst.

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    Registered User nsibanez's Avatar
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    Or 5 minute fix by yourself
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    Thanks a ton to all that helped it was throttle body to I/c hose...all of you guys are AWESOME!!!!!

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