Need a little help
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This is a discussion on Need a little help within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; I recently purchased a 2010 WRX with some mods. I bought it with gauges and one I don't really understand. ...

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    Need a little help

    I recently purchased a 2010 WRX with some mods. I bought it with gauges and one I don't really understand. The gauge is a waterband air/fuel, and I was wondering what it did and what is a good number to stay at. If anybody could help I would greatly appreciate it!!

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    Captain James of the SS Impreza has gone down with the ship Drews's Avatar
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    Waterband? I think you mean wideband. And it depends on what your car is tuned for.
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    Quote Originally Posted by Drews View Post
    Waterband? I think you mean wideband. And it depends on what your car is tuned for.
    I do not know what it is tuned for

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    MAINEiac 11blackSTi's Avatar
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    This gauge senses your air to fuel mixture ratio. At idle you want to be at 14.7 (stoic)...however, that is pretty useless data. What you want to look for is the figure that shows up when you floor your car (or wide open throttle - "WOT"). These gauges are used to make sure the car is not running too lean (too much air in the mixture), which is not good for your engine. You can also tell if your car is running rich, which is also not ideal, but you are leaving power on the table at that point.

    What other modifications do you have on your car? What is the gauge reading when you floor your car (WOT)?

    And yes, it is a "wideband" not a waterband. There is a wideband o2 sensor welded onto your down pipe, which is sensing this air/fuel ratio. I am pretty sure that if you have one of these then your car has seen quite a few mods.
    Last edited by 11blackSTi; 10-02-2013 at 03:56 AM.

  6. #5
    zax
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    For Jimmy and Mikie, Waterband = Wideband.

    OP, if you bought a modified Subaru and don't even know what a WBO2 sensor does, you're in for a rough ride. Sounds like you should have bought a stock example.

    Do you have ANY idea what other mods may be done to the car?
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    Luke Skywalker Mikie13's Avatar
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    Waterband...


    It lets you know if your blinker fluid levels are too low.
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    Quote Originally Posted by zax View Post
    For Jimmy and Mikie, Waterband = Wideband.

    OP, if you bought a modified Subaru and don't even know what a WBO2 sensor does, you're in for a rough ride. Sounds like you should have bought a stock example.

    Do you have ANY idea what other mods may be done to the car?
    Well I just needed to know what numbers were good to stay at and it has intake exhaust fuel rail system BOV cobb heat shield

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    Luke Skywalker Mikie13's Avatar
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    It's not about staying within numbers...numbers should stay where they need to be if it is tuned properly.

    Under WOT, you should be seeing mid 11s for the AFRs.
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  10. #9
    zax
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    Quote Originally Posted by Mikie13 View Post
    Under WOT, you should be seeing mid 11s for the AFRs.
    Depends on the tuner and mods. Most tuners run low 11s high 10s on the stock TMIC.
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