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  1. Thread: Credits

    by custodian
    Replies
    2
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    1,295

    Thanks, that's what I needed to know.

    Thanks, that's what I needed to know.
  2. Thread: Credits

    by custodian
    Replies
    2
    Views
    1,295

    Credits

    I'm selling my MPV12 and can credits that I bought be refunded?
  3. Thread: Mpv12

    by custodian
    Replies
    3
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    1,582

    I think I might have found the issue. I bought...

    I think I might have found the issue. I bought anther ECM, 2005, and at first it did the same thing, then I unplugged from the USB port and plugged it back in, it read it like the others this time....
  4. Thread: Mpv12

    by custodian
    Replies
    3
    Views
    1,582

    Mpv12

    I'm still learning tuning. I've only been reading the computers at this time. I have watched videos and read tutorials. I'm currently reading different years of GM computers. The first and second one...
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    1,248

    Invalid Checksum

    I went to read a spare ECM and it failed and said "invalid checksum", what does this mean? It read my other ECM just fine.

    UPDATE: I hooked my OBD2 reader to the computer and found no codes, but...
  6. Replies
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    Beginners Videos

    NEWBIE here, can anyone point me the right/good videos/tutorials on the HP Tuner? I've found a couple, just wanting to watch as many videos before I start my tuning. I'm tuning my computer for my 73...
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    12 Volt Power Source

    I'm just about finished making my bench top harness for tuning. I plan on using a plug in 120AC to 12VDC converter. What amp rating should I use? I've read anywhere from 1mA to 1A.
  8. Replies
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    11,604

    Thanks. Trying to learn as much as possible...

    Thanks. Trying to learn as much as possible before I do any tuning.
  9. Replies
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    11,604

    Thanks. I was just wanting to see a computers...

    Thanks. I was just wanting to see a computers stock file values. So, if I just "read" a stock computer, I should see what values that computer has? I have two computers, one I sent to have set for my...
  10. Replies
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    11,604

    How accurate are the files in the Tune...

    How accurate are the files in the Tune Repository? Can the stock values have been changed before it was posted? Newb, and was just wondering.
  11. Thread: All Set Up

    by custodian
    Replies
    0
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    851

    All Set Up

    Received my MPVI2 today, all set up and ready to use. I'm a newb, so will do everything in small steps.
  12. Replies
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    Hey, OLD! I'm 65 and contacted HP Tuner through...

    Hey, OLD! I'm 65 and contacted HP Tuner through the email. They responded back with a lengthy email explaining it to me. Bill Henn was very helpful, and I turned around and bought the HP Tuner with...
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    Sticky: Hello, Bill from Catawba, NC. Thanks for letting...

    Hello, Bill from Catawba, NC. Thanks for letting me join. I'm new at programming the GM computers. I hope to gain as much info and knowledge as possible. There is no one in my area that programs (at...
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