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    Hello, guys. The knock had become inaudible but...

    Hello, guys. The knock had become inaudible but has come back. I still need to try zeroing out the B5112 table.

    I have another question and theory based on something that has been going on. So as...
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    Guys, thanks for your help. You've taught me a...

    Guys, thanks for your help. You've taught me a great deal. Because of that there has been a little progress in removing detonation.


    I logged the APCYL_M PID to get the needed airflow per...
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    Is APCYL_M the correct PID to log in order to...

    Is APCYL_M the correct PID to log in order to determine where the engine is in terms of load, to make timing adjustments where I'm seeing knock?

    I think I need to be looking at B5101 (High-Octane...
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    I would like to toss in a few more names to get...

    I would like to toss in a few more names to get feedback on some other chassis ears / knock headphone setups.

    1. J&S Safeguard (not the main purpose but it does have a headphone output)
    2....
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    SOMForumla, thank you for your time and effort on...

    SOMForumla, thank you for your time and effort on this. I see what you mean about the timing. I'll dig into this more then report back.
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    The tune is stock so far, I haven't purchased a...

    The tune is stock so far, I haven't purchased a license to tune. I would like to make sure the mixture is correct and sensors are functioning properly before taking timing out.

    I noticed that the...
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    I thought it would be helpful to make it easier...

    I thought it would be helpful to make it easier to see the PIDs that I logged.


    Engine RPM
    Throttle Position
    Fuel System Status
    Fuel System 2 Status
    Fuel System 1 Status
    Vehicle Speed...
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    E38 - diagnosing the cause of detonation

    Hello, guys. Vehicle is a 2008 Yukon XL with the 6.2L motor, AWD, 6L80E transmission. I have been using 93 octane fuel with no ethanol. The engine was rebuilt about 9500 miles ago. The compression...
  9. Pretty sure CASE relearn has been implemented for...

    Pretty sure CASE relearn has been implemented for Gen IV, correct? It is present on the DVT tab, ECM setup section in EFILive Scan V7.5.
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    TCCSLIP clarification

    Is TCCSLIP from the torque converter clutch or transmission clutches? The reason I ask is because the description is 'Transmission Converter Clutch Slip'. The description slightly conflicts with the...
  11. Thread: misfire logging

    by PLohr
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    Good morning, folks. Still chasing this issue. ...

    Good morning, folks. Still chasing this issue.

    I found the quote below on the Snap-on scanner forum, which may be relevant to why I'm not seeing non-zero values for MFCYL*C PIDs:


    Credit for...
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    I posted a new thread about this here:...

    I posted a new thread about this here:
    https://forum.efilive.com/showthread.php?29897-misfire-logging&p=254023&viewfull=1#post254023
  13. Thread: misfire logging

    by PLohr
    Replies
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    2,469

    misfire logging

    Hello,
    I am chasing a cold start misfire on a 2008 GMC Yukon XL (6.2L). I am logging the typical parameters and the current misfire PIDs (MFCYL1C through MFCYL8C). I could be doing something wrong...
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    joecar, I was not able to find CKREFCYL. This...

    joecar,

    I was not able to find CKREFCYL. This really needs to be a new post, and I can do that if you like.

    I am on to another issue, trying to chase down a cold start misfire. I want to log...
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    I will take another log and get back with you....

    I will take another log and get back with you. Sorry about that.
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    Thank you, joecar. Sorry that it took so long to...

    Thank you, joecar. Sorry that it took so long to get back to you. I'm not sure that I logged all of the needed parameters in this file.

    23399
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    Trying to understand if individual cylinder...

    Trying to understand if individual cylinder firings can be logged with GM.CKREFCYL. Please feel free to correct me on any of this.

    I am working with EFILive Scan V7.5.

    If Scan Mode (Edit menu...
  18. Thread: Sound?

    by PLohr
    Replies
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    28,257

    I may have part of a viable process for logging...

    I may have part of a viable process for logging sound? Can someone help with #5?

    1. Setup to log whatever data you want using EFI Live.
    2. Setup to log sound with a separate device such as an...
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    Thank you, Derek. I will keep you in mind.

    Thank you, Derek. I will keep you in mind.
  20. questions on clear trans adapts / relearn process

    I may have posted this in the wrong place.


    https://forum.efilive.com/showthread.php?29129-questions-on-clear-trans-adapts-relearn-process

    Thank you for any help.
  21. questions on clear trans adapts / relearn process

    Hello,
    I am working with a 2008 GMC Yukon XL, 6.2L, 6L80 transmission (T43 TCM), using the version 7.5 scan software with a Flashscan V2. Very new to EFI Live, as you'll see.

    I read this post...
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    Much appreciated, thank you Joe.

    Much appreciated, thank you Joe.
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    Thanks for your help, guys.

    Thanks for your help, guys.
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    Bidirectional controls

    Hello,
    I am working with a 2008 GMC Yukon XL Denali, 6.2L.

    The GM service manual says that a scanner can be used to activate the vehicle's fuel pump. I was hoping to be able to do this with my...
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    Transmission capabilities

    Hello,
    Does the FlashScan v2 have full transmission scanning capabilities, such as a high end scanner would?

    Thank you for any help.
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