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Thread: Need help tuning my calibration on a 0411 with road runner emulator using TunerCat.

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  1. #1
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    Thank you Fast355, since i can not do a comparison in TunerCat, but hopefully TunerCat let`s you print data to .txt or via printer settings to .pdf and compare it, i will compare all tables between the Mexican Truck calibration & Express Van, and will report.

    Sincerely.

  2. #2
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    The file i send you, its has NO fuel adjusment at all, just idle and timming you have to do the fuel, and it uses the same delphi maf same as a 5.3 LM7 Ls engine, calibrated diferently (Stock) for the 5.7 liter air flow, unplug the Maf soo it convert to MAP and see how it work, (you need to adjust fueling regarles).

  3. #3
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    I have saved the both calibrations in PDF and transformed to Exel sheet, made comaparison as pdf files, and manualy whent through all of the tables transfered to excel files and copied out the tables and parameters where both calibrations have difference. They both have quit a few differences in calibrations.
    In the attachement i post everything i have done to compare, the pdf with comparison, the excel`s (they are a bit hard to go through and only possible to compare manualy, since while transformation they ended up as tables on different sheets.) and my manualy made file where i copied all of the differences from the two calibration files for a better view.(most of the parameters and tables are the same, butstill some are different:

    Tables:
    - Fuel Gauge Sender Output %PWM Vs. % Fuel Level
    - Primary Fuel Level Vs Fuel Gauge Sender A/D Counts
    - Installed Options Matrix Vs. Platform Type
    - Tip-In Max Delta Torque Vs. Gear (the Express Van .cal doesnt have this table at all)
    - Prime Pulse Fuel Mass Vs. Coolant Temp.
    - Normal Crank Fuel/Air Eq. Ratio Vs. Cool. Temp. Vs. Time
    - Rich/Lean O2 Volts (mv) Threshold Vs. Air Flow Mode Vs. Bank
    - MAF Sensor Air Flow Vs. Output Frequency (Cont.)
    - Fuel Pressure Correction Factor Vs. Battery Voltage
    - MAF Sensor Air Flow Vs. Output Frequency
    - Park-Drive Open Loop Equiv. Ratio Decay Multiplier Vs. ECT
    - Open Loop Equiv. Ratio Decay Multiplier Vs. ECT
    - Park-Drive Open Loop Equiv. Ratio Correction Vs. ECT
    - Open Loop Equiv. Ratio Correction Vs. ECT
    - Main Volumetric Efficiency Vs. RPM Vs. MAP (Cont.)
    - Main Volumetric Efficiency Vs. RPM Vs. MAP
    - Main Volumetric Efficiency Vs. RPM Vs. MAP (Cont.)

    And as well constant parameters (but those are easyer to check in PDF comparison):

    - Idle Control Parameters
    - Spark Parameters
    - Diagnostic Parameters
    - Transmission Parameters
    - Fuel Parameters
    - Auxiliary Output Diagnostics
    - Auxiliary Input Diagnostics (Cont.)
    - Emissions Control Diagnostics

    Very time-consuming process, but good for me to get to know the tables and parameters in calibrations, too bad without really knowledge of influence of these tables and parameters on the function of the engine, well not all, some i do already know and understand, but it is probably 5% max of all in the calibration. But anyway, I wanted to clearly see the difference between the calibrations i have...
    Last edited by Aksl; 01-27-2019 at 11:11 AM.

  4. #4
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    Ok so today i went and tried again with different calibrations to give it a try, since my battery was all charged. Well with a lot of tries i killed the battery again, couldn’t get it to start and idle correctly, with the NISANDA`s calibration it started, couldn’t idle but holding and playing with throttle kept it being a live, but it really made a lot of misfires to the exhaust so i guess the ignition gives a very advance spark.
    With the Express Van file that i have corrected using Fast355`s BIGCAM Excel file, the engine started right up and went to high RPM, i guess of 1600rpm that is set in the calibration, but then just died, it did that every time, every time a nice good start rising rpm until a certain point and the just off. Unfortunately, i couldn’t get the scanXL to work, it gave me an error 109 couldn`t find the ODBII interface via cable, it sees the cable but not the PCM, may be is because i do not have the Ground signal connected to my ODBII port, i only have the ground, but my TechII worked fine with just ground (another issue that i have to solve) to get the log.

    Fast355 - If you have any thoughts, why the engine revs up until some rpm and then just shuts, not even reacting anyhow on throttle?
    Last edited by Aksl; 01-27-2019 at 11:31 PM.

  5. #5
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    Quote Originally Posted by NISANDA View Post
    The file i send you, its has NO fuel adjusment at all, just idle and timming you have to do the fuel, and it uses the same delphi maf same as a 5.3 LM7 Ls engine, calibrated diferently (Stock) for the 5.7 liter air flow, unplug the Maf soo it convert to MAP and see how it work, (you need to adjust fueling regarles).
    Hello NISANDA, ok i see, will try to next time i go deal with my truck, yesterday i couldn't even got it started to move it, if before it would start with pedal aplied and i could move it, then yesterday it started with a lot of misfires and couldn't hold a steady idle at all..

    If you have a link to a source where i can read about the process of unplaging Maf to convert in to Map and adjust fueling regardless of Maff, please share it. Thatnk you
    Last edited by Aksl; 01-28-2019 at 11:03 PM.

  6. #6
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    Just disconect the Maf and its should automatically start using the Map.

  7. #7
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    Any chance VATS got enabled somehow?

  8. #8
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    Quote Originally Posted by Fast355 View Post
    Any chance VATS got enabled somehow?
    I doubt it, checked the calibration, the error on VATS is turned off, i attach the screen shot and my calibration file.
    Attached Images Attached Images
    Attached Files Attached Files

  9. #9
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    Ok, if no other advice, i will be dancing with the tambourine around my truck this weekend, will report on the results...

  10. #10
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    Hello Fast355, sorry for bothering, i wonder, could you please share your ScanXL config file please?

    With set up (configured) tables and graphics that you use..

    Sincerely.
    Last edited by Aksl; 02-10-2019 at 06:33 PM.

  11. #11
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    Hello Fast355, if you have a minute to help me setup scanxl config or share your knowledge on pid's you use to config map tables in order to see and analyze what changes to make to the tune file, i am a bit lost here. Thank you

  12. #12
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    Hi everyone, well unfortunately i,m totaly stuck with my project. I have downloaded a few programs for logging, tried to log and record it, did alot ot reading, and from what i understood is that i have to create and set my own PID for tables in logging software to have identical format info in tables as my tunercat, to make correct changes in tables/figures. Unfortunately i cant figure how to set the correct pids, and couldnt get any support from scanxl company or enter their forum, not much info in the net, hopefully I didn't buy scanxl, found a patched version, otherwise it would be a disaster, spending 150bucks and no result and support.
    If any one could advice a logging software with dissent faq instructions and support, i would really appreciate it.
    I got hptuner from a friend to use vcm scanner but it cant detect the obd protocol, may be because my EBCM is not connected, or may be due to roadrunner installed, so i'm really stuck in one place...(((
    Last edited by Aksl; 03-25-2019 at 08:52 PM.

  13. #13
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    Quote Originally Posted by NISANDA View Post
    Just disconect the Maf and its should automatically start using the Map.
    Ok, thank you! will try to adjust the fueling this way and then just plug back in the MAF.

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