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  1. Replies
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    Cam phasing does not follow the same nomenclature...

    Cam phasing does not follow the same nomenclature as ignition timing advance.

    I think most of the things you said are correct.
    The cams parked are exhaust cam fully advanced, intake cam fully...
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    Post a data log. Best guess is you have an air...

    Post a data log.
    Best guess is you have an air leak , either on the induction or exhaust side.
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    Post your latest tune.

    Post your latest tune.
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    Read all this:...

    Read all this: https://forum.hptuners.com/showthread.php?38357-LNF-Guides&38357-LNF-Guides

    i think a lot of that info came from a guy cobaltssoverbooster, he is still around and answers questions...
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    from the log: * during the WOT your STFT is...

    from the log:

    * during the WOT your STFT is -14%, seems to me like you have to tune the MAF a little better?
    * even at partial load STFT is -13%, seems to point towards it needing a MAF retune...
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    First of all, congrats on getting it to start....

    First of all, congrats on getting it to start.
    Please explain here what you fixed to get it to work so that others can learn from your work. (at least i would like to know)

    Why did you change...
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    Explain How you fixed it here so that others can...

    Explain How you fixed it here so that others can learn as well.
  8. twistedtx, so your table 33486, do not push...

    twistedtx,

    so your table 33486, do not push this above 95, if you have a stock turbo , this table should be close to stock values.


    things are not really making sense to me in your latest...
  9. Thread: LNF Idle

    by TurboCobalt
    Replies
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    8,671

    I had the same problem with cold starts. Here's...

    I had the same problem with cold starts.
    Here's the advice i got from this forum and it worked for me.
    -first make sure your MAF table is as accurate as possible, personally i prefer to set table...
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    You need to make a better channel list (of...

    You need to make a better channel list (of signals you are recording) like we talked about before.

    from the datalog, it is showing that the injectors are turning on while cranking. How are you...
  11. i think it would help to record some extra...

    i think it would help to record some extra turbo-related channels, like wastegate dutycycle, desired pressure ratio or boost , measured pressure ratio or boost.

    During your first WOT:
    I noticed...
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    Please post a full list of all your DTCs...

    Please post a full list of all your DTCs (diagnostic trouble code)
  13. Replies
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    It wouldn?t worry me if you see 12v at the...

    It wouldn?t worry me if you see 12v at the injector pin. The Ecm is very likely using ?low side drivers? to enable the injectors. A low side driver can look like 12v when the driver is off. It turns...
  14. i dont have one of those engines anymore, but yes...

    i dont have one of those engines anymore, but yes i think it does move. not smoothly across the whole range, but i think it snaps between 2 different positions if i remember correctly. how confident...
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    you need to record a better list of variables, we...

    you need to record a better list of variables, we can walk you through it how to add more signals to record. a few variables you're missing, the pressure and temperature pre-throttle body, injector...
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    Yes, put your car in ?run, engine off? , then...

    Yes, put your car in ?run, engine off? , then start scanning, then crank while it?s recording. Whenever ur done, click stop scanning, then go to file>> save recording.

    Post it here and we will...
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    "hot spot" is the feature on most smart phones...

    "hot spot" is the feature on most smart phones where you use the phones internet (through the cellphone provider) and your phone turns into a wifi router... host... hot spot, then you connect your...
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    i could swear i saw this exact text ... somewhere...

    i could swear i saw this exact text ... somewhere ... just can't remember where... :) jk.

    As far as i know trifecta is the only one that did the different tunes by pressing the cruise control...
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    You tell me what car GM put a v4 engine in, and...

    You tell me what car GM put a v4 engine in, and I?ll direct you to any training you want......

    On a more serious note, read the stickys, also read the sticky?s on the v8 forums, the software is...
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    i'm not sure if it would be theoretically better...

    i'm not sure if it would be theoretically better to put it by the OBD connector or the TCM. Honestly your harness should be so short it shouldn't really matter as long as you have the right...
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    Yes, you still need the PCM connected to the TCM...

    Yes, you still need the PCM connected to the TCM through GMLAN.
    I think you can connect the OBD connector either way, either splicing a "T" into the wires, or i think you can also use the 2 pins in...
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    hey Ghost, sent you a PM.

    hey Ghost, sent you a PM.
  23. Thread: E47 tune

    by TurboCobalt
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    1) the answer really depends on whether you think...

    1) the answer really depends on whether you think you will find it enjoyable to learn about tuning, and to tinker with your car. It's not hard, if you show an interest in it, and if you show that you...
  24. you posted on this forum enough, and i'm sure you...

    you posted on this forum enough, and i'm sure you know what you're doing; but please don't advice others to run ethanol mixtures that don't have your understanding of engine control and ethanol...
  25. Thread: LNF Idle

    by TurboCobalt
    Replies
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    8,671

    What are all the hardware modifications to the...

    What are all the hardware modifications to the car?

    I bet the car will run better with stock spark and opti-spark tables.
    Whoever did the tune smoothed out the spark table, but not the...
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