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Thread: using EFILive like HPTuners

  1. #41
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    This will get you measured AFR, EQ ratio, and lambda from your wideband in your log.
    I guess I'm a little slow...What I have...just to make sure I get this right:
    There is a serial cable(db9) that connects to the out connector on DLG-1
    There is a serial cable (db9) with Flashscan that connects to RJ45 Flashscan port
    Both cables are female...the adapter is male/female...now what?
    The null modem adapter connects between the two
    Then flash will see both LC-2 wideband sensors?
    I pick the PID's in ScanV8 along with the other suggested PID's from you and Paul?
    While I am connected to e38 with V8?
    Last edited by 5557nut; October 22nd, 2020 at 07:57 AM. Reason: question
    LS3 Manual 6 spd E38 os:12633056
    Texas Speed 1 7/8" headers w/3" exhaust
    Texas Speed cam 229/236 .629/.615 112 LSA
    Hi-Ram intake stock injectors 90mmTB

  2. #42
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    Quote Originally Posted by pinstripebob View Post
    Amazon or any local electronics store should have them.
    Ok, I found the male to male null modem adapter. Won't be here till next week. As soon as I get it set up I'll post. Thanks
    LS3 Manual 6 spd E38 os:12633056
    Texas Speed 1 7/8" headers w/3" exhaust
    Texas Speed cam 229/236 .629/.615 112 LSA
    Hi-Ram intake stock injectors 90mmTB

  3. #43
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    Good deal, our cables are a little different but you should be good to go once that adapter arrives. Plug it in, select those external serial wideband PIDs, and get a log. Should be as easy as that. If any issues come up that can be sorted out.

    Sent from my Pixel 3 using Tapatalk

  4. #44
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    Quote Originally Posted by pinstripebob View Post
    Good deal, our cables are a little different but you should be good to go once that adapter arrives. Plug it in, select those external serial wideband PIDs, and get a log. Should be as easy as that. If any issues come up that can be sorted out.
    Well it ain't gonna be this week. We are dealing with a hurricane wedn thru sat. I prefer not to test in the rain.
    LS3 Manual 6 spd E38 os:12633056
    Texas Speed 1 7/8" headers w/3" exhaust
    Texas Speed cam 229/236 .629/.615 112 LSA
    Hi-Ram intake stock injectors 90mmTB

  5. #45
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    Default E38 help

    Hey Garrett...It's been a while. I got a headache trying to understand the VVE an managing airflow n spark. I have been playing with the Scan tool and can use it decent now. You tried to help me but I guess I wasn't getting it. I've been doing a lot of reading and playing with logging. My issues are still cold start n having to peddle it till it starts. I have logged a cold start and would hope you had the time to look, its short. I'll include my last tune also. Thanks, hope you are doing well.
    Attached Files Attached Files
    LS3 Manual 6 spd E38 os:12633056
    Texas Speed 1 7/8" headers w/3" exhaust
    Texas Speed cam 229/236 .629/.615 112 LSA
    Hi-Ram intake stock injectors 90mmTB

  6. #46
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    Got it! It looks like you have been following the E38 idle tuning thread a little bit, found here: https://forum.efilive.com/showthread...38-idle-tuning

    If you can, have another look at post numbers 7, 25, and 30. 30 is a good one to help guide through setting idle correctly, which will play a role in good startup.

    Something else you might do is look at some of your open loop and idle tables compared to a stock LS3 tune. I've attached a stock Corvette LS3/manual transmission tune. In particular, have a look at tables in the Fuel > Open Loop area. You might copy B0141 and B0143 exactly as they are to give yourself more fuel at startup (like a choke), and you might switch B1219 to enabled if you're still having trouble with startup.

    Although, it is interesting that your commanded fuel at startup is really low, 4.2:1. I don't have one of my logs with me, I'll have to get a log at startup to see what my LS3 commands for comparison. I'm also curious to see how my g/cyl looks at cranking and startup. As I'm typing this I'm wondering if you have something else weird going on with your tune that's causing airflow to be quite a bit off from reality. I'm running without a MAF as well, so it should be a decent comparison.

    2009 Chevrolet Corvette C6 LS3 6.2 Litre Manual.tun

  7. #47
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    I'm out of town but should be able to look at your suggestions by Thursday...thanks
    LS3 Manual 6 spd E38 os:12633056
    Texas Speed 1 7/8" headers w/3" exhaust
    Texas Speed cam 229/236 .629/.615 112 LSA
    Hi-Ram intake stock injectors 90mmTB

  8. #48
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    Quote Originally Posted by pinstripebob View Post
    Got it! It looks like you have been following the E38 idle tuning thread a little bit
    Yep A lot of my settings came fro Swingtan n Hymey.
    As I said in our pm, I'm attaching a pic of my engine intake and the newest tune not flashed because something happened and the engine will not fire. I have .3v at a ecm grnd point so I have to chase it down.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	DualIntake.jpg 
Views:	112 
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    Attached Files Attached Files
    LS3 Manual 6 spd E38 os:12633056
    Texas Speed 1 7/8" headers w/3" exhaust
    Texas Speed cam 229/236 .629/.615 112 LSA
    Hi-Ram intake stock injectors 90mmTB

  9. #49
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    I saw your PM. Definitely get your electrical gremlin sorted out before making any changes to your tune. You might find that some of your issues go away if your electrical problems get fixed.

    Please note, the tune I posted is a stock Corvette tune, not mine. I like to use stock tunes for reference if I get way off track. Do a comparison of open loop and cranking tables, these might point to your hard starting issue.

  10. #50
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    Hit Shift F2 to make sure PIDs are validated.
    "All that is needed for the triumph of evil is that good men do nothing..."

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