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  1. I feel there is more to this story. If no one...

    I feel there is more to this story. If no one wants to work on the car it's generally not the car's fault. From perfect to undiagnosably messed up in a short time is atypical. Good mechanic...
  2. The sensor appears to produce a 12V square wave...

    The sensor appears to produce a 12V square wave signal. I'm having trouble confirming but one forum discussion mentions eight pulses per tire revolution. If so, calculating the pulses per mile is a...
  3. Beginning at $FFC0 to the top of the chip ($FFFF)...

    Beginning at $FFC0 to the top of the chip ($FFFF) there are addresses for the ecm to use when various events occur. If one of these addresses is even a bit off you can have very unexpected results. ...
  4. If you can get information about the Porsche...

    If you can get information about the Porsche signal it may be easier to figure out what's going on. The signal type (a/c or d/c pulse) and the number of pulses per mile or per driveshaft revolution...
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    I have corrected the offending messages in this...

    I have corrected the offending messages in this thread.
  6. Hmmm... has it ever worked for you? Is it...

    Hmmm... has it ever worked for you? Is it possible the speed sensor was disconnected for the dyno run?
  7. Sticky: I'm glad you've figured a way around the issue. ...

    I'm glad you've figured a way around the issue. When you "Save As" the browser suggests a filename. You can change the name of the file by typing in the name manually.

    Unfortunately I can't get...
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    Hello, Welcome to the forum. Once upon a...

    Hello,

    Welcome to the forum.

    Once upon a time it wasn't uncommon to replace the 1227165 ecm from the 86-89 cars with the 1227730 ecm found in 91-92 Camaros and Firebirds. The 1227730...
  9. Vehicle speed is generally one of the values...

    Vehicle speed is generally one of the values which can trigger the ecm to cut fuel. If the vehicle speed is reported incorrectly then you may need to increase the maximum speed allowed in the...
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    Hello, I have nothing with Windows 10 so...

    Hello,

    I have nothing with Windows 10 so unable to reproduce. Have you looked for solutions on any other forums? One says to delete msvcp100.dll from C:\[user]\My Documents\Tuner Pro...
  11. Sticky: I believe that someone said IE does that if...

    I believe that someone said IE does that if you're not using "compatibility mode." You can right click, "save as," then type in the file name you want.
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    Was that engine supported by DHP?

    Was that engine supported by DHP?
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    239

    Hi Dan, Questions are no problem. People...

    Hi Dan,

    Questions are no problem.

    People appear to avoid the ECM from the donor because the tuning software does not allow as many variables to be tuned. The ecm may work fine for a stock...
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    Hi Dan, This question seems strange. The LX9...

    Hi Dan,

    This question seems strange. The LX9 appears to have been used from 2004 to 2006. OBDII became the legal standard in 1996 and is still in effect today. So, LX9 is OBDII. The only...
  15. Simply exchanging the MAP with a 2 BAR requires...

    Simply exchanging the MAP with a 2 BAR requires one to change many variables. But it can work. You can adjust tunerpro to display the correct units in your tables and constants to help prevent you...
  16. I'd agree. Its probably measured in kg/mile. ...

    I'd agree. Its probably measured in kg/mile.

    Then again, it's a solid fuel engine so the typical efficiency expectations are out the window. :)
  17. We're looking to reduce overall emissions...

    We're looking to reduce overall emissions...
  18. I don't have a bunch of experience with Tunerpro...

    I don't have a bunch of experience with Tunerpro but I do know that you can use data acquisition without loading a .bin or an .xdf.
  19. The original self-learning power management...

    The original self-learning power management system:
    https://static01.nyt.com/images/2018/01/13/nyregion/13amish3/00amish3-facebookJumbo.jpg
  20. How to make VE from MAF History table?

    I would like to use Tunerpro to show calculated VE using RPM, IAT, displacement, and MAP. I see this being done here:
    https://www.thirdgen.org/forums/diy-prom/669483-tunerpro-does-first-obd.html
    ...
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    I think it would be beneficial to leave the...

    I think it would be beneficial to leave the crossover open or to restrict but not block flow through it.
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    Welcome to the forum! Seems like you've got a...

    Welcome to the forum! Seems like you've got a decent build which will require a good investment of time.

    Reading and comparing the modified file and stock can be a good excercise but it can also...
  23. Thread: New here

    by 1project2many
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    Hello, welcome to the forum. Sounds like a...

    Hello, welcome to the forum.

    Sounds like a neat project.

    OEM GM software doesn't have the benefit of being designed with a consumer or non-engineer as the intended customer. I've read that...
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    I have looked through the '95 truck pcm...

    I have looked through the '95 truck pcm calibration for the EGR related error conditions. The '87 C3's used MAP change for EGR detection but the later P4's appear to use different test criteria. ...
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    Roller cam? I don't believe PM plus non-roller...

    Roller cam? I don't believe PM plus non-roller would have been a factory combination. The one ton and larger truck engines used traditional rods past 96. Maybe a Delco or over the counter rebuilt...
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