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Thread: calculated pid not valid for NGK/NTK Air-Fuel Ratio Monitor

  1. #11
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by Trackman View Post
    Thank you. That got it working. Unfortunately my formula must be wrong. My afr is reading 4 points to low. NTK suggest {(vout-0.5)x2.75}+9

    I have:
    *CLC-00-003
    AFR 9.0 20.00 .1 "{EXT.AD1}-0.5*2.75+9"
    When I looked more closely at your formula (and compared it to the NTK user manual pdf) I see it is incorrect...

    it should have parenthesis around the subtraction term, like this:

    "({EXT.AD1}-0.5)*2.75+9"
    Last edited by joecar; July 26th, 2014 at 10:31 AM. Reason: spelling

  2. #12
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    Thumbs up

    Thank you joecar.
    The formula works great.
    For anyone using the new NTK air /fuel monitor (model 96604) the above formula is what you need!

  3. #13
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    It's been a while! I am looking for a little trouble shooting help again. I am running a new engine set up now and its been a long time since I have datalogged. I have forgotten most of what I had learned. The issue I am having is getting my afr monitor to read correctly on a log. It used to work perfect. Is there a specific 0-5v input I should be using? I notice my pid (the wideband described in this thread) is under the system Fuel. Should it be under the system WO2-Analog?

  4. #14
    Joe (Moderator) joecar's Avatar
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    The system it is under is a user definable string.

    Post your calc_pids.txt file from the folder C:\users\xxxx\documents\EFILive\V7.5\User Configuration.

  5. #15
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    Here it is.
    Attached Files Attached Files

  6. #16
    Joe (Moderator) joecar's Avatar
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    Ok, it is missing some stuff...

    I added in what I thought was missing, see attached (assumes E67 ECM).

    Which ECM does you have...?


    Edit: correction;
    and corrected again.
    Attached Files Attached Files
    Last edited by joecar; May 3rd, 2016 at 12:07 PM.

  7. #17
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    I have the E67

  8. #18
    Joe (Moderator) joecar's Avatar
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    Ok, the pids CALC.NTK_AFX and CALC.BEN_NTK_AFX should work for E67.

  9. #19
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    I replaced pid txt with your version. I get this when I try to add the pid now. I assume I need to delete the bottom 2 somehow.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	afr not valid.jpg 
Views:	64 
Size:	102.2 KB 
ID:	19558  

  10. #20
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by Trackman View Post
    I replaced pid txt with your version. I get this when I try to add the pid now. I assume I need to delete the bottom 2 somehow.
    Did you select the pid EXT.AD1...?

    Did you select the pid CALC.NTK_AFX...?


    This is what I see:

    Click image for larger version. 

Name:	2016-04-30 21_10_28-More information.png 
Views:	119 
Size:	38.9 KB 
ID:	19559
    Last edited by joecar; April 30th, 2016 at 03:16 PM.

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