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Thread: Converting EOPS

  1. #1
    Lifetime Member Ninety8C5's Avatar
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    Default Converting EOPS

    I just tried to convert Engine Oil Pressure from Volts to PSI and the drop down box only lists "None". as a conversion. I changed 'Factor' (32.0000) and 'Offset' (-16.00), but can't put 'psi' in the 'Quick Select' box.

    For Example, the 'Quick Select' box for temperature has 'F' or 'C'.

    Looks like I fixed it by adding the conversion to the 'EFILive.ini' file.
    Last edited by Ninety8C5; May 12th, 2009 at 04:30 AM.

  2. #2
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    Just checking, is this for the oil pressure voltage PID or just oil pressure?
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  3. #3
    Lifetime Member Ninety8C5's Avatar
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    Default

    This is to convert voltage to psi for the Engine Oil Pressure Voltage (EOPS) PID.

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    Ah I see, havent messed with said PID so didnt know if it was like some of the other ones where there are 2 PIDs, one that is strictly voltage and the other returns values in units (like kPa or PSI).
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  5. #5
    Lifetime Member Ninety8C5's Avatar
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    Andrew,

    Do you think you can refer this to product development, so it doesn't get lost. Someone besides me must be using this PID.

    In Folder 'C:\Documents and Settings\All Users\Application Data\EFILive\V8', I added this line:

    "0110=V psi 0 32.00000 -16.0000 N"

    to file 'EFILive.ini'.

    Thanks!

  6. #6
    EFILive Developer Site Admin Blacky's Avatar
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    Adding the V->psi conversion for the oil pressure PID is tricky for two reasons:

    1. The V-psi entry you added will be available to all PIDs with units of Volts, but will not accurately apply to all the other voltage PIDs.

    2. More importantly, the voltage to psi scaling for the engine oil pressure is different for different controllers.

    Regards
    Paul
    Before asking for help, please read this.

  7. #7
    Lifetime Member Ninety8C5's Avatar
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    Quote Originally Posted by Blacky View Post
    Adding the V->psi conversion for the oil pressure PID is tricky for two reasons:

    1. The V-psi entry you added will be available to all PIDs with units of Volts, but will not accurately apply to all the other voltage PIDs.

    2. More importantly, the voltage to psi scaling for the engine oil pressure is different for different controllers.

    Regards
    Paul
    I figured there might be some reason for it not to be added, but had no idea what it might be. Not a problem anymore.

    Thanks.

    I just checked my PID list and as long as I don't click on 'Quick select' and select 'psi' it doesn't affect my other PIDs that use 'Voltage' as their output. So I guess the conversion is okay for my usage?
    Last edited by Ninety8C5; May 20th, 2009 at 09:52 AM.

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