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  1. #1
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    How do I disable PE?

    I’m new at the this electronic tuning, so be gentle , I want to learn.
    I’m getting good data logging but, have read that I should disable PE to get more accurate BLM history to make VE changes.

    How do I disable PE, there are three PE tables?
    Do I zero all 3 or just one?
    Another thread mentioned that AE should also be disabled. 4 tables for AE.
    The following are in $42-1227747-V4.xdf
    PE - AFR
    PE – TPS Multi vs. Baro
    PE – Enable vs. TPS %
    I’m working with the following:
    TunerPro RT V5
    ASDU
    $42-1227747-V4.xdf
    $42-1227747-V4.adx
    Thanks, Mark J
    Side note: $42-1227747-V4.xdf - “VE as %(FL1) Corrected” and VE as %(FL1)” X&Y co-ordinates are opposite.
    Last edited by majacoby; 10-18-2012 at 08:33 PM. Reason: update

  2. #2
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    Easy answer is get newer versions of $42 XDF and ADX.
    http://www.gearhead-efi.com/Fuel-Inj...Information-42

    In Paremeter Tree choose Paremeter Catagory and look for folder called "Turn Off For Datalogging". Instructions included.

    Turning off PE is a way to get more cells filled in without skewing data from extra PE fuel. Remember everything is an adjustment from Main VE, if Main VE is not correct then neither is anything else. Get VE in ballpark before messing with anything else.

    Forget turning off AE, it will drive so bad you won't get good data. AE is there before and after and unless you are way lean or increased way rich it won't hurt BLM readings. This ECM is so slow I'm not sure it would anyway.

    VE corrected is just X and Y reversed. But this is proper from hack, it has been reversed forever as how it's displayed but changes to each cell are same. The reason to leave the old one that is reversed is it matches spreadsheet and waht people are used to.

    Good read for $42:
    http://www.gearhead-efi.com/Fuel-Inj...4-7747-ve1-ve2
    This will put 100% into VE1 and make spreadsheet accurate.

    Good Data Log tip! Totally warmed up and driven or reved to dry out intake. Disconnect power to ECM to clear BLM learn. Start vehicle, closed loop, start data log. 15 minutes per log, adjust VE, smooth table, rinse and repeat...

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  3. #3
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    EagleMark,
    How does the version numbering of XDF and ADX files work here at GearHead EFI?
    From the numbers I had I thought I had the latest.
    Does it matter if the XDF and ADX file extenions match?
    Is the folder called "Turn Off For Datalogging" not in $42-1227747-V4.xdf?
    I'm not finding "Turn Off For Datalogging". I found a scalars "PE - Cool Temp Thres for PE *Off for BLM*".
    The X and Y difference on the VE tables make sence now.
    I'll study the other links this evening.
    Thanks, MarkJ

  4. #4
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    Quote Originally Posted by EagleMark View Post

    In Parameter Tree choose Parameter Category and look for folder called "Turn Off For Data logging". Instructions included.
    I don't think I had categories built into V4. Or levels, or colored alarms in tables or... who knows I just keep adding stuff.

    No real guidelines for version numbers, as they get bigger they are newer. They don't have to be the same version from XDF to ADX. Data Tracing will work on any version from about V3 up. As I keep adding stuff the version changes, I don't keep records of the changes like real software guys do...

    Just grab the new ones, everything from earlier versions is there just more stuff and options of TunerPro used.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  5. #5
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    I downloaded V5.1 and it has the goods! Thanks!
    I will try to do some logging over the weekend.
    Thanks for updating too! It just make things easier for us old timers.

  6. #6
    RIP EagleMark's Avatar
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    Have to add updates as I learn them or I forget... they say you loose three things with age, first was memory and I forget the other 2...

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  7. #7
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    Good one!!
    Thanks again!

  8. #8
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    I have a similar question, how to disable PE? I am not using $42 however, I am using $31.

    I've found the following scalar that appear to give me the option. Could someone confirm this will work?
    Minimum MPH for PE
    Initially set to 0 mph
    Changed to 423 mph (just one click to the right!)

  9. #9
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    Quote Originally Posted by tony-baroni View Post
    I have a similar question, how to disable PE? I am not using $42 however, I am using $31.

    I've found the following scalar that appear to give me the option. Could someone confirm this will work?
    Minimum MPH for PE
    Initially set to 0 mph
    Changed to 423 mph (just one click to the right!)
    I'm glad you brought this back up. Just this week I was trying to find out the same thing. On my last bin I used PE min and Max temperate settings and I still got PE while driving. I just changed it to the mph setting and burned the chip, but I haven't driven it yet. I'll find out this weekend if it works.
    Last edited by wanderingturtle; 11-23-2017 at 08:50 AM.
    1994 Chevy G30 Van "Big Blue"
    5.7 TBI, Vortec Heads, Summit Intake, Thorley Short Headers with dual 2.5" exhaust, 4L80E transmission

  10. #10
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    Quote Originally Posted by wanderingturtle View Post
    I'm glad you brought this back up. Just this week I was trying to find out the same thing. On my last bin I used PE min and Max temperate settings and I still got PE while driving. I just changed it to the mph setting and burned the chip, but I haven't driven it yet. I'll find out this weekend if it works.
    When I did mine I set the delay timer value higher than the amount of time I would ever have the pedal mashed that far.
    It is a 7060 / $D8.........YMMV
    Dean

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