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This is a discussion on Boost gauge running low..and whistle sound. within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Got 2 questions about my 02 WRX Its 100% stock as of yet. Two questions... My factory boost gauge reads ...

  1. 09-07-2009 05:25 PM #1
    jakkal256
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    Smile Boost gauge running low..and whistle sound.

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    Got 2 questions about my 02 WRX Its 100% stock as of yet. Two questions...

    My factory boost gauge reads negative on idle and during periods where I dont rev it. Is that normal for stock WRX?

    2nd question is, I hear a slight whistling sounds as i accelerate, is that normal for turbo to sound? keeping in mind my set up is 100% stock.

    Thanks!!!
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  2. 09-07-2009 05:30 PM #2
    03subiedude
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    that whistling sound is ur turbo spooling up
    "if you want peace, prepare for war", latin proverb and common sense
    "Why do penguins take smoke breaks?"
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  3. 09-07-2009 05:44 PM #3
    DUB
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    Quote Originally Posted by jakkal256 View Post
    ...
    My factory boost gauge reads negative on idle and during periods where I dont rev it. Is that normal for stock WRX?...
    Thanks!!!
    Yes. If the turbo isn't compressing the incoming air to a level greater than that of the outside atmospheric pressure than the intake manifold is in vacuum, as your gauge shows.
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