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Thread: Cheap Wideband O2 sensor

  1. #1
    Registered User Noddle's Avatar
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    Default Cheap Wideband O2 sensor

    Hi,

    I've been using this for about 4 / 5 months now, though I would share

    http://www.14point7.com/JAW/JAW.htm


    Nigel

  2. #2
    Former frequent poster sblake01's Avatar
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    I know what 'AFR' is but what is 'lambda'?
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    Biafra for President e_racer1999's Avatar
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    change?
    Jason King
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  4. #4
    Registered User Noddle's Avatar
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    Quote Originally Posted by sblake01 View Post
    I know what 'AFR' is but what is 'lambda'?
    I found this,

    http://forums.evolutionm.net/showthread.php?t=199703

    here's a snippet

    Lambda just means stoich for the fuel mixture.

    gasoline stoich AFR = 14.7
    Lambda = 1.0

    AFR = 11.76
    Lambda = 0.8

    Lambda is basically just the multiplier to the AFR. From what I've read is we all use AFR to measure mixture but people in other countries like to use lambda. Some rather use lambda while others like to use AFRs. Hopefully you can actually change what the your unit displays(either lambda or AFR.)


    I suppose this is like PSI and Bar with Turbo people

    Nigel

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