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  1. Replies
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    The settings for relay ('discrete') fans is kinda...

    The settings for relay ('discrete') fans is kinda tricky. The numbers in the Desired % vs X tables are just trigger points as defined in the State vs Desired table. Above the number for 0>1 it turns...
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    AND BESIDES, '04 GTO should have a P59, not...

    AND BESIDES, '04 GTO should have a P59, not 0411/P01. :banghead:
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    I've drafted and scrapped about 4 replies so far...

    I've drafted and scrapped about 4 replies so far trying to find the best way to explain this, I give up.
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    None of the existing modules in the car will...

    None of the existing modules in the car will understand E38-speak, and there is no E38 OS that can speak GTO. But 58x engine with a 24x PCM is easy:...
  5. MA0097 is listed as a cross to GM numbers...

    MA0097 is listed as a cross to GM numbers 12614973, 16187556, 16249939, 9359409. Those are 1-bar sensors.

    The Cobalt baro sensor is 12615136, which crosses to NTK MA0031.
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    A PSI reading in the scanner is just doing a...

    A PSI reading in the scanner is just doing a voltage conversion. If you give it the wrong settings the conversion will be wrong. Are you absolutely positive the sensor is what you think it is?
    ...
  7. Also... I do not think MA0097 is the right...

    Also... I do not think MA0097 is the right sensor, it's not 2-bar. None of those cross reference numbers look familiar and the applications are not right either. The GM number you want for the 2-bar...
  8. The MAP shown in the Cobalt tune file is the...

    The MAP shown in the Cobalt tune file is the 5-pin TMAP, the 3-pin 2-bar sensor commonly used is actually the Cobalt SS baro sensor and is not in the tune file.
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    If it has a 4L60E, I would not go over 6K at the...

    If it has a 4L60E, I would not go over 6K at the 1-2 (no matter what engine size... or intake). High RPM in first plus the super low 1st gear ratio makes life awful hard on trans internals,...
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    Saying 'C6 Corvette' doesn't really narrow it...

    Saying 'C6 Corvette' doesn't really narrow it down at all, not much more than saying 'my car that I own and am working on'. Year, engine, trans, and tune/log files allow other people to understand...
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    If a permanent code is already set and you then...

    If a permanent code is already set and you then go and disable the code that enables the diagnostic to run, it will not clear the permanent code, it will do the opposite - cause the permanent code to...
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    Sticky: Any post from any user that mentioned The...

    Any post from any user that mentioned The Parameter That Shall Not Be Named was deleted.
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    Right click in the table > Units: > Number = 0 -...

    Right click in the table > Units:
    > Number = 0 - 41
    > Percent = 0 - 4096
    > Parts Per Million = 0 - 40959375
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    https://www.rockauto.com/en/partsearch/?partnum=25...

    https://www.rockauto.com/en/partsearch/?partnum=25036751 = 100K @ -40

    Most GM temp sensors (whether standalone IAT or integrated IAT, ECT, ambient air, whatever) use the same 100K thermistor...
  15. Log files are automatically saved, look in...

    Log files are automatically saved, look in [root]:\Users\[username]\Documents\HP Tuners\VCM Scanner\Logs

    Suggest making a desktop shortcut to that folder so you can get there again easily without...
  16. These trucks have underhood fuse/relay box...

    These trucks have underhood fuse/relay box issues. If everything checks out but still no power to stuff, look there. There are copper interconnects inside between separator layers and the copper gets...
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    https://forum.hptuners.com/showthread.php?61634-Pe...

    https://forum.hptuners.com/showthread.php?61634-Permanent-DTCs-and-VCM-Scanner
  18. I don't like the look of that MAP trace, very...

    I don't like the look of that MAP trace, very regular spikes like that usually indicate a mechanical problem. Verify the basics - compression, no misfires, etc.

    Remove all the Bank 2 channels from...
  19. Another thing, 0% is very unlikely to mean 0...

    Another thing, 0% is very unlikely to mean 0 volts. If the channel exists (it should), you can log actual raw TPS volts in addition to the interpreted % value.
  20. In general, do not use the generic SAE channels...

    In general, do not use the generic SAE channels in your log. Use the non-generic GM-specific ones, especially for throttle stuff.
  21. "Went through" means a visual inspection and...

    "Went through" means a visual inspection and called it good, or verified each and every pin at the O2 connector goes to where it should at the other end with some kind of electrical testing tool?
    ...
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    You want the layout of the graph to match however...

    You want the layout of the graph to match however the table is laid out in your tune file. If it doesn't, when you copy/paste special the data will get applied to the wrong cells and you will get...
  23. Pull the distributor. Knock out the roll pin and...

    Pull the distributor. Knock out the roll pin and turn the distributor gear 180* on the shaft, re-pin. The distributor gear has an odd number of teeth, so reclocking like this will shift your range of...
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    If you want to be able to copy error data and...

    If you want to be able to copy error data and paste it into a table in the editor, yes, it very much matters.
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    Which file from which post from which buddy is...

    Which file from which post from which buddy is not showing up?
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