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Thread: Set to open loop: 1 Bar Enhanced Speed Density Operating System

  1. 01-28-2020 #1
    cfoss1000
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    Set to open loop: 1 Bar Enhanced Speed Density Operating System

    Hi all.

    I have transplanted a LQ4 into my boat and now it's time to tune.

    I have a wideband O2 and intend to use it to tune. I have read and implemented the EGR position input in the scanner. Haven't tested it yet.

    I'd like to tune open loop, given that there is only 1 O2 sensor in the boat due to the marine exhaust.

    I searched and read through multiple posts talking about maxing out the Closed loop vs ECT vs IAT table; makes complete sense but it doesn't show up under Engine/Fuel in the Enhanced speed density OS.

    I have taken a shot of the closest thing I can find, which is the open loop stft enable (Disabled).

    How do I set to open loop??


    Thanks,

    Chay
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    Last edited by cfoss1000; 01-28-2020 at 05:30 PM.
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  2. 01-28-2020 #2
    5FDP
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    It's in the oxygen sensor tab.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.
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  3. 01-28-2020 #3
    cfoss1000
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    Ahhh yes. Thanks very much

    Chay
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