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  1. Replies
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    I hope I am not bearer of bad news but it sounds...

    I hope I am not bearer of bad news but it sounds like the injectors are junk. Are these ebay/chinese injectors? I have seen plenty of really bad injectors from there. I have injector cleaning and...
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    Kewl on the intake and heads, always wondered...

    Kewl on the intake and heads, always wondered about those. Another avenue for my LKQ guy to get me cheap parts ;) Let me know how it goes.
    -Carl
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    If the truck intake air system is still stock,...

    If the truck intake air system is still stock, use the stock MAF transfer function, correct the fuel tables I posted, set the cylinder volume to .75 and put the stock MAP settings back in. Turn off...
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    Change B0104 Cylinder Volume to .75 so ecm thinks...

    Change B0104 Cylinder Volume to .75 so ecm thinks it is a 6L
    Once we can set your MAF transfer function to correct values, turn off VVE by changing B8024,5 to 400,300rpm respectively. We can...
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    Here is the injector data you need for the LY6 ...

    Here is the injector data you need for the LY6


    Injector Offset (msec) Vs Delta Pressure Vs Ignition Voltage

    Volts ...
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    Hello, I noticed quite a few changes in your...

    Hello,
    I noticed quite a few changes in your file compared to a stock '13 5.3 file. Is this an engine swap in a different vehicle? Are you still using the stock air inlet/maf tube? If not, please...
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    Hello, I think '07-'08 Truck E38's are by...

    Hello,
    I think '07-'08 Truck E38's are by themselves and '09-'15 Truck E38's should be similar. I have a file from a 2009 Express Van LY6 but it's not in efilive format and would take me a few days...
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    Thanks for posting back. I didn't know that was...

    Thanks for posting back. I didn't know that was even there.
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    Hi Joe, I don't see C3003, C3004 or C3905 in his...

    Hi Joe,
    I don't see C3003, C3004 or C3905 in his tune. Am I doing something wrong? Just trying to follow along. :ermm:
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    A quick gander at your file. Is this an E38? I...

    A quick gander at your file. Is this an E38? I am not familiar with that Vehicle/OS. Are you not using the MAF sensor? Is it plugged in? Your file shows you have MAF diagnostics turned off? I...
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    Sorry, edited post

    Sorry, edited post
  12. Thread: DTC problem

    by In-Tech
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    584

    I am curious what the answer is for the permanent...

    I am curious what the answer is for the permanent codes. I had a guy stop by the shop with a 2011 Camaro that had a couple permanent codes. V7.5 scanner doesn't even see them but my other scanner...
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    Just noticed it is in the E92 as well except the...

    Just noticed it is in the E92 as well except the GMPP file has it max'd out as well as the E67 CTSV and ZR1.

    Example 2008 Corvette - E38

    RPM ft-lb.
    0 267.9
    500 267.9
    1000 ...
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    Sorry, I kinda messed up adding the color in the...

    Sorry, I kinda messed up adding the color in the original post, fixed now, Address on left, values on right.
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    Dear Efilive coders, In a 2008 Corvette, OS...

    Dear Efilive coders,
    In a 2008 Corvette, OS 12617631 this is at 1CCAC2-1CCAE3 in I believe Engine Diagnostics 12668089 starting at 1C3C4E and of course are 16bit values.

    001CCAC0 0011 05AC 05AC...
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    This document from 2015 makes me wonder if this...

    This document from 2015 makes me wonder if this is involved. :online2long:
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    2019 GMPP LT376/535hp file

    I hope the management is ok posting this file. Interesting on the engine dyno, cyl 2 was showing false knock and reduced the timing to around 8 degrees BTDC and also killed hp to around 460. ...
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    Just fyi, it would be easier to find if you...

    Just fyi, it would be easier to find if you include the year/make/model.

    Housekeeping of files is always a struggle.
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    I have a customer that fought a 2008 jeep for a...

    I have a customer that fought a 2008 jeep for a couple years with a LS3 swap, they finally got a good harness, body control module and what not. I finished the tune a month or so ago and they could...
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    You want the IAC steps fairly low so you can use...

    You want the IAC steps fairly low so you can use the entire IAC function, The IAC is just an electronic vacuum leak, so you use your blade opening to do the majority of the idle function(keep your...
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    PM sent

    PM sent
  22. Hello, What crank sensor are you using? On a LS...

    Hello,
    What crank sensor are you using? On a LS the 24x sensor actually has a dual pickup to read the high/low of the mirrored gaps in the "dual sandwiched" trigger wheel. I'm not familiar with...
  23. Thread: GMPP E67 525hp

    by In-Tech
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    GMPP E67 525hp

    Hello,
    I recently worked on one of these crate engines.

    Here is the stock file for reference which I believe is GM's latest rev.

    I changed all of the usual desired idle stuff including the...
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    I would be glad to help in any way I can. The...

    I would be glad to help in any way I can. The only vehicle I have that might do a cam change is an E67 gmpp 525hp so I might be able to do a before and after on that one if it will help.
  25. Thread: Auto Tune

    by In-Tech
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    Yes, it appears I have some reading to do :)

    Yes, it appears I have some reading to do :)
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