How to read/use the boost gauge?
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This is a discussion on How to read/use the boost gauge? within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; Hello, I just recently ordered my '15 WRX (GBP, Limited), and am so excited about owning my first Subaru! Too ...

  1. #1
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    How to read/use the boost gauge?

    Hello,

    I just recently ordered my '15 WRX (GBP, Limited), and am so excited about owning my first Subaru! Too bad I have to wait till Fall to get mine.

    Anyway, since I've not driven a car that's had a boost gauge (nor boost for that matter), I was wondering if any of you fine folks could give some tips on what to look for when I'm driving this beast on the freeway. This is my daily commuter, so I won't be taking it on the track at all; just wanted a faster car (coming from driving a vw beetle ) that could also take me snowboarding in the winter.

    Any help would be much appreciated!

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  3. #2
    Registered User nsibanez's Avatar
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    Don't you have an electronic boost gauge in the multifunction screen?

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  4. #3
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    Yep; just don't know what I should be looking for when the needle moves. Hehe...sorry; total n00b.

  5. #4
    Registered User cflip2x's Avatar
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    Just look at it if its is below 0 its technically inches of mercury and + 0 is how many pounds of boost your running. Thats its nothing special. If you know what your max boost is set mine was set to 15ps by the factory then you should be able to hit that if you cant then you have a boost leak. Now just because you dont hit it all the time doesn't mean your car isnt working. Your car will never be at max boost all the time.

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  6. #5
    Registered User nsibanez's Avatar
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    I wanna say you have a bit of play either way by about 1 psi

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  7. #6
    Registered User cflip2x's Avatar
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    You should focus on the road more then the gauge.

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    2012 WRB 4DR | SPT Exhaust | Short Throw | Rally Armour | WC Lathe Werks Custom TI Knob | Kartboy Bushings | Stoptech Brake Lines | JBK Elements DRL | STI HID Retrofit | XB LED Angel Eyes | GrimmSpeed Lightweight Crank Pulley

    CFLip2x 2012 WRB WRX

  8. #7
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    The boost gauge changes more based on engine RPM and throttle position than your current speed. When the boost gauge reads positive, the turbo is forcing air into your engine and giving you more power. When it reads negative, the engine is sucking in its own air (usually this happens before the turbo spools up, or while at idle, and is evident to the driver as turbo lag).

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