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Thread: Newbie Question about Knock Retard

  1. #21
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    It's FlashScan V1.2

  2. #22
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    And yes I can the DB-9 to stereo connector

  3. #23
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by Powerhouse
    And yes I can the DB-9 to stereo connector
    Get the LM Programmer software from Innovate's website and use it to connect to the LC-1 to see what AFR:V it's analog output is programmed for... (you will need the stereo terminator plug plugged into SERIAL IN, and your laptop plugged into SERIAL OUT)...

    http://www.innovatemotorsports.com/support.php

    When you connect to the LC-1, take a screenshot of the analog tabs and post here...

    we want to confirm that the LC-1 calc pids match the AFR:V programmed into your LC-1.

  4. #24
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    Ok ill download that and try to configure it.


    Attatched is my tune file.. let me know what you think about it.
    Attached Files Attached Files

  5. #25
    Joe (Moderator) joecar's Avatar
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    Ok, try this, go a bit richer and see if KR goes away.
    Or, try some octane boost.
    Check for oil being ingested via PCv plumbing.
    Check spark plugs.

    If you can't hear it, maybe it's false knock, but maybe not (you can't always hear real knock unless it's severe)...

    It's better to assume it is real knock...

    If you could determine what AFR/V points your LC-1 is set to (using the LM Programmer software) then we would know if your AFR calc pid is right.

  6. #26
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    My stupid laptop screen keeps messing up on me. I got the program downloaded and everything hooked up.. but then the screen messed up! I'll give it a go tomorrow after work. I really appreciate your help man!!

  7. #27
    Lifetime Member 5.7ute's Avatar
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    Have a look at his VE table joecar it needs a bit of work. Also his B3647 table is set to 1.0 up to 65kpa & pe to 1.0. I would think his vetable has been skewed from trims.

  8. #28
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    So what do I need to do?

  9. #29
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    Have a look at the auto ve tutorial. However the tutorial is based from the old tutorial where fuel trims were being used for tuning & there was no custom OS so a few changes need to be made.
    The first is that in table b3647 you can not command 14.63 afr or 1.0 EQ as the custom OS has semi closed loop which will mess with your tuning data. Change this to around AFR 14.5 to prevent this. Pe can be set to wherever you like it. DFCO can even be left on as you can filter it out later.
    Once the VE table is dialled in correctly then you can command 14.63 AFR in the B3647 table which will allow semi closed loop if you so wish.

  10. #30
    Joe (Moderator) joecar's Avatar
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    Ah, good point (I had forgotten)... set B3647 to values other than EQ 1.00 until you're finished dialing in VE table and MAF table (otherwise COS will use STFT to trim any cells that are set to 1.00).

    I agree, VE table needs some work...

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