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  1. 126387

    126387
  2. Replies
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    OEM LS7 injectors or OEM LS2 (car) injectors or...

    OEM LS7 injectors or OEM LS2 (car) injectors or OEM LS2 (truck) injectors? Or something else altogether? Do they have little part numbers written on them anywhere? Maybe?
  3. 126366 126367 I haven't seen the cat/post O2...

    126366
    126367

    I haven't seen the cat/post O2 tests give this type of symptom, but they need to be off anyway. I assume you're on one of the newer editor versions that no longer have that tab.
  4. Oh, it's in SD... Don't log any MAF channels...

    Oh, it's in SD...

    Don't log any MAF channels when it's supposed to be failed!

    Does it still happen when not connected/not logging? Does it do it in MAF-only?
  5. Any kind of air straightener in there? The MAF...

    Any kind of air straightener in there? The MAF sure is noisy, moving around when none of the other PIDs are changing at all.
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    P0200 is a circuit code, it's detecting either an...

    P0200 is a circuit code, it's detecting either an open or short. Not a tune issue.

    You need your own service manuals to diagnose the codes left over after the DTC list has been cleaned up. The MAF...
  7. The 86% max TPS thing is because you're looking...

    The 86% max TPS thing is because you're looking at it with the '(SAE)' channel. Use the non-generic PIDs for GM electronic throttle stuff.
  8. It does have the same internal regulator, the...

    It does have the same internal regulator, the alternator is the same whether it's got the smart system or the dumb system. The alt can be sent a signal to decrease output below what the internal...
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    Apply the OS patch, then make NO OTHER CHANGES AT...

    Apply the OS patch, then make NO OTHER CHANGES AT ALL FOR ANY REASON, then save with a new name.

    Now you can open the new file and make other changes, and then do your write-entire.

    Before you...
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    Newer versions of the software require you to...

    Newer versions of the software require you to take a short online course and then enter a validation code to unlock the grayed-out settings.

    The MAF codes P0101/P0102/P0103 are the ones that must...
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    P0068 Map/Maf - throttle position correlation -...

    P0068 Map/Maf - throttle position correlation - This usually has to be disabled at Engine Diagnostics > Airflow
    P0101 Mass or volume air flow A circuit range/performance - Are you using a MAF in the...
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    There are no codes showing up in any of the three...

    There are no codes showing up in any of the three logs.

    Did you use the alcohol sensor in the swap, or is it now gone? If gone, it needs to be disabled in the tune. It's defaulting to 38%.
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    If you combine parts from 3 or 4 different engine...

    If you combine parts from 3 or 4 different engine RPOs and then say 'OEM injectors', that doesn't really clarify anything.
  14. The OE strategy/intent of the alternator voltage...

    The OE strategy/intent of the alternator voltage control is to reduce alt output under certain conditions where it isn't needed. Just because it has settings that can be changed doesn't mean you can...
  15. You know this stuff changes year to year and...

    You know this stuff changes year to year and platform to platform, right? There's no way to look up "E78" in the GM manuals. Year, make, model.
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    Why did it need to have the platform type setting...

    Why did it need to have the platform type setting changed? Why can't it be put back to what it's supposed to be, and make the changes needed to the GMT610's system options?
  17. If there were a setting to do that (there isn't),...

    If there were a setting to do that (there isn't), it wouldn't work unless the ECM was controlling fan activation. Using a standalone fan controller the ECM won't ever know whether the fans are on or...
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    You changed the GMT610 file's platform type to...

    You changed the GMT610 file's platform type to GMT800? Shouldn't have done that. Would've been much better off simply keeping the Silverado V8 OS and changing ETC = 1 to ETC = 0 in System Options, as...
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    Fuel system description? Fuel pump? Pressure...

    Fuel system description? Fuel pump? Pressure regulator type? Rail pressure measured with a mechanical gauge is...? Has complete exhaust system, no open dumps?
  20. As someone who works with words for a living, I’m...

    As someone who works with words for a living, I’m always on the lookout for new writing tools that can help me be more productive. So when I heard about AI-powered writing tools, I was intrigued....
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    Didn't work with which ECM? You posted one tune...

    Didn't work with which ECM? You posted one tune file but then a log from the other ECM, so there's still one we haven't seen the tune file for and the other we haven't seen a log from. One's a...
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    P1516/P2101/P2119/P2176 diag page: 126277 ...

    P1516/P2101/P2119/P2176 diag page:
    126277

    Throttle Learn procedure:
    126276
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    Need to post the tune file and a log file before...

    Need to post the tune file and a log file before anyone even knows what further questions to ask.
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    Sure, for relay fans and if State for 0->1 is...

    Sure, for relay fans and if State for 0->1 is >40, but not for PWM fans where the State vs Desired table is ignored. I guess it depends on the controller's minimum % for the off to minimum speed...
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    Think he meant TPS % and TPS Voltage.

    Think he meant TPS % and TPS Voltage.
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