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  1. Thread: MAF Tuning

    by dhoagland
    Replies
    16
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    1,804

    Again I've been out for awhile so I could be...

    Again I've been out for awhile so I could be remembering wrong. I'll post a few idle Tuning threads and maybe that might help answer your question.... One thing I do remember is you need your VE/MAF...
  2. Thread: MAF Tuning

    by dhoagland
    Replies
    16
    Views
    1,804

    I've been out of this for awhile.... But I...

    I've been out of this for awhile....
    But I believe the "MAF only" mode still somewhat references the VE table. If it was me I would fail the MAF, Tune the VE, then start over.

    If you look at...
  3. Replies
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    At a minimum Post your Tune and log files...

    At a minimum Post your Tune and log files operating in your areas you are struggling with.
    Might be best to start your own thread
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    2,180

    Did you have a box Tuner that you started with?

    Did you have a box Tuner that you started with?
  5. Replies
    31
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    4,582

    I didn't see a wideband in your channels, so you...

    I didn't see a wideband in your channels, so you will need to tune closed loop relying on your o2 errors.
    NOTE You can not Tune wide open throttle, or high loads like this... For this you have to...
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    Yes He says at end of his opening statement that...

    Yes
    He says at end of his opening statement that fueling is already dialed in...

    Normal progression get it started and idling on its own.
    Then dial in your fueling using your airflow models,...
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    4,582

    First question, is your VVE and MAF dialed in?

    First question, is your VVE and MAF dialed in?
  8. Replies
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    1,314

    Read your TCM too A log will be necessary for...

    Read your TCM too
    A log will be necessary for people to see what is going on
  9. Replies
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    1,314

    Post up your Tune and a Log I'll let ya look...

    Post up your Tune and a Log

    I'll let ya look at mine for reference, but with my upgraded injectors it will do you no good.
    This is my 2011 L99
    -Roto-fab intake
    -AFM Off
    -ZL 1 fuel pump
    -E85...
  10. Log your o2 Sensor Voltage

    Log your o2 Sensor Voltage
  11. Have you verified fuel pressure at the rail when...

    Have you verified fuel pressure at the rail when it dies?
  12. Replies
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    Great info! That freightliner would greatly...

    Great info!
    That freightliner would greatly benefit from a Diesel :)
  13. Replies
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    1,277

    You are in the same spot you were 2 days ago when...

    You are in the same spot you were 2 days ago when 5FDP replied.
    You have no o2 readings to create an error log from. And No Wideband reading either.
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    p.s. If smokeshow gave me a piece of advice, and...

    p.s. If smokeshow gave me a piece of advice, and I was absolutely 100% sure it was definitely wrong, I would still try it anyway. And then probably end up learning that I am not as smart as I thought...
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    5,888

    From your scanner when you click the stop...

    From your scanner when you click the stop scanning Icon...

    You will be looking at a screen like the picture.
    Then you can click log file, the save log file as from the drop down. Or Click the...
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    5,888

    122512 Request permission to use photo in the...

    122512

    Request permission to use photo in the future
  17. Post up your tune, and if all of your tables line...

    Post up your tune, and if all of your tables line up with mine I'll post it for you to try.

    Mine is a copy of a 2011 CTSV...
    It was suggested that this was a great platform to copy for my 2011...
  18. Best thing to do is post your Tune File and a log...

    Best thing to do is post your Tune File and a log with both events occurring

    "Factory Harness Trimmed Down".... Explain
    I'm assuming you do not have any of the Express Vans BCM, ABS, and so on......
  19. If you want the MAF to fail you need to set it to...

    If you want the MAF to fail you need to set it to MIL on first error
    I believe you can leave the SES to no. But for Tuning most leave it on, so you see the check engine you are pretty sure the MAF...
  20. Replies
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    3,185

    Also need to try to log the channels in the...

    Also need to try to log the channels in the config files I posted earlier
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    Here's one to compare, or load up and try. ...

    Here's one to compare, or load up and try.

    Minor adjustments on injector data
    Removed Airflow from your VE, MAF, Idle Air, based off the last posted log.
    Also relaxed your spark Over/Under...
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    Its late, and I've had a few... If I'm looking...

    Its late, and I've had a few...
    If I'm looking at this correctly you are rich as heck everywhere.

    EDIT
    Removed incorrect image, Sorry
  23. Good question My guess is until you reach the...

    Good question
    My guess is until you reach the minimum it will not transfer to the graph data

    I'm basing this on a log I was looking at the other night and while scrolling through I saw a few...
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    3,185

    Wow still looks rich, but before ya go any...

    Wow still looks rich, but before ya go any farther need to nail down a few things
    -1st Verify Injector data, not just flow rate. Really need to know what vehicle they came from its recently been...
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    Yup... I've got to ask about your screen name...

    Yup...

    I've got to ask about your screen name
    Do you hate HP Tuners software?
    or
    Do you hate HP Tuners as individuals?

    LOL!!!
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