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  1. Thread: misfire

    by scoob8000
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    1,417

    If you are logging the current and history...

    If you are logging the current and history misfire counters and they're all staying at zero then the PCM might just not be seeing any misfires. It's also possible your misfire tables are turned up...
  2. You are talking cylinder charge temp complex...

    You are talking cylinder charge temp complex model, correct? If so disabling it just banks all the chips on the IAT sensor so to speak. Where in a boosted app, folks will move to after the SC or...
  3. If your still curious, in the scanner go to add...

    If your still curious, in the scanner go to add pids to log and search for timing. There's a handful that will show you what is adding or removing timing.
  4. Do you trust what the scanner is telling you...

    Do you trust what the scanner is telling you about injector duty cycle? (I don't know how accurate it is on some platforms) Seeing it at near 100% caught my eye though. Whats your WB showing when...
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    See if this helps: ...

    See if this helps: https://forum.hptuners.com/showthread.php?56684-Idle-Airflow-config-help&highlight=russ+kemp&56684-Idle-Airflow-config-help&highlight=russ+kemp

    Basically we log desired...
  6. I'm curious what you guys end up finding. I've...

    I'm curious what you guys end up finding. I've always wanted to do a v8 S10 build, but passing 96 up emissions was always a concern.
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    Getting my base running airflow really settled...

    Getting my base running airflow really settled down my hunting and surging issues.

    Also watch your spark and see how much it's fluctuating. There's a table for over/underspeed where it'll add...
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    I'm going to test this out as well and report...

    I'm going to test this out as well and report back..
  9. I've noticed this too on a buddies car. I...

    I've noticed this too on a buddies car. I thought I had everything set high enough but he still complained about the limiter. Never did get a log of it before he sold it.

    My 04 SS doesn't seem...
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    Reach out to Paul form Torqhead if you haven't...

    Reach out to Paul form Torqhead if you haven't already. In my case a new PCM resolved it, but we're not sure if it's due to the way it was flashed with Tunercats or something burried in the PCM...
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    I meant what determines the desired airflow. ...

    I meant what determines the desired airflow. Wasn't sure if it took fueling into consideration, or it just knows how much air it needs to keep a specified RPM. (Just being curious)
  12. I'm not sure if it functions differently in PE vs...

    I'm not sure if it functions differently in PE vs not (I think it affects everything based on my results), but the table I'm referring to is under Engine > General.

    It's also based on airflow,...
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    It was reading a little too warm. But I was...

    It was reading a little too warm. But I was also comparing to a thermocouple on my multimeter. Who knows how accurate that is. But we're close enough. :)

    I've noticed that too in general...
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    Yeah, and then some. :) So just an update on...

    Yeah, and then some. :)

    So just an update on this:

    This mod worked out way better than I could have expected. I've got about 100 miles on it using the IAT built into the maf now.

    Maf is...
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    This is something I've been curious about since I...

    This is something I've been curious about since I started messing with the idle tuning stuff.

    When we're logging desired airflow, how is the PCM calculating that? I assume based on fueling, it...
  16. Where is your IAT? I've read about turbo guys...

    Where is your IAT? I've read about turbo guys putting it in the intake, and disabling complex model. (tells the PCM to only look at the iat). Just putting it out there to give you some google...
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    Bump

    Bump
  18. Replies
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    Yeah, it's connected and actually can see it in...

    Yeah, it's connected and actually can see it in the guest machines device manager and shows working normally. Yet hpt never detects it.

    Running VMware workstation fwiw. Probably missing...
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    Ed, You da man! That got me really close. ...

    Ed,
    You da man! That got me really close.

    I used a thermocouple on my fluke in the tube and a hair dryer while logging to test. Tweaked a couple cells by 1-2% and it's dang spot on...
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    HPtuners inside a virtual machine

    Anyone ever try running HPTuners in a vmware virtual machine?

    I've been wanting to test and try 4.1 without possibly messing up a production environment.

    The software works and installs, but...
  21. I believe, the mph for AC only disables them if...

    I believe, the mph for AC only disables them if the temp set points are not met.

    It seems like from my testing, if your temp is over the on temp, they are always on regardless of speed.
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    So my idea did not work, interpolating the rest...

    So my idea did not work, interpolating the rest didn't either.

    I also found my error percentage at room temp, engine cool and multiplied the whole table by that but still not right. Surely...
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    Well no idea if this will work but here's what I...

    Well no idea if this will work but here's what I came up with:

    The LS7 reads from 284 to -40, took half of 302, used that for my 50% value and interopolated the rest. Gen3 has a max of 284 so I...
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    You can, but the problem is the newer file column...

    You can, but the problem is the newer file column is in ohms. In the older gen 3, it's a percentage.

    I'm almost thinking there's no easy way to do this. Almost need to know the ohm range for...
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    I actually bookmarked that link this morning. ...

    I actually bookmarked that link this morning.

    Sloppy mod as in moving iat into the Intake?
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