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  1. Thread: AFR vs. Octane

    by b4black
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    1,207

    99% of pump gasoline in the US is oxygenated. It...

    99% of pump gasoline in the US is oxygenated. It mostly E10 or 10% ethanol. Lambda scale is best to use.
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    Have you tried using the compare feature to see...

    Have you tried using the compare feature to see what's different from one vendor's tune to another? This should narrow down which parameters it could be.
  3. This is what the display will look like:

    This is what the display will look like:
  4. Taurus SHO/MKS Ecoboost gear indicator in dash (add to editor PLEASE)

    Many Fords have a way to display the gear indicator on the dash.

    I was looking at a tune in the repository and found this on a 2018 F-150 stock tune. Under the "Display" tab.

    93987

    Any...
  5. Found this in the tune repository. It's from a...

    Found this in the tune repository. It's from a 2018 F-150. Looks like what I need.

    93986
  6. Any suggestion on the way to request this be...

    Any suggestion on the way to request this be added? I don't see a place on this forum for requests.

    Thanks again.
  7. Thanks for the reply. Here's what I see (I also...

    Thanks for the reply. Here's what I see (I also looked elsewhere, but can't find a shift indicator table anywhere). I also don't see any tables for Drive vs Sport modes.

    The next tab "Shift...
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    AMS Performance in St Charles is now getting into...

    AMS Performance in St Charles is now getting into F-150 Ecoboost.

    https://www.amsperformance.com/product-category/ford/tuning-ford/
  9. Taurus SHO/MKS Ecoboost gear indicator in dash.

    When using the paddle shifter or when in Sport mode, the current gear will display on the dash. This is not something set using Forscan. People buying aftermarket tunes says the tuner is setting it...
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    Changing the stoich to the correct AFR fore the...

    Changing the stoich to the correct AFR fore the fuel you are running will reset the LTFT baseline. For example, if at 14.08 (stock) for E10, your LTFTs should average about 0. If you start running...
  11. Not so sure about that. I just bought a 2016...

    Not so sure about that. I just bought a 2016 Regal with the LTG and (at least according to rockauto) it uses the same sensor as the 2015 Malibu LTG.

    Maybe some 2016 LTG moved to the E80...
  12. Add me to the list. Using the beta version for...

    Add me to the list. Using the beta version for months now without issue. I can open old files, but can't open a file I recorded three days ago. Nothing odd or abnormal about this scan, other than...
  13. Replies
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    Did you check here:...

    Did you check here:
    https://www.hptuners.com/my-account/tunerepository/
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    There is a TIP sensor and a MAP sensor. You are...

    There is a TIP sensor and a MAP sensor. You are installing the 3 BAR TIP sensor in place of the 2 BAR MAP. Find the TIP table (slope and offset) and copy them to the MAP.
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    If better fuel economy were that simple, I...

    If better fuel economy were that simple, I suspect the OEMs would all be running lean.
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    There's a place to enter the stoichiometric AFR,...

    There's a place to enter the stoichiometric AFR, which stock on my MKS was set about 14.2, which is about correct for E10. When running ethanol higher blends, do you change this value? Does...
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    Not only have the engines changed some, but the...

    Not only have the engines changed some, but the latest versions of HPTuners will bring up very different tables than in Metroplex's guide. I reverted back to an earlier version to keep things the...
  18. Replies
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    Thanks. You hit the nail on the head. I went and...

    Thanks. You hit the nail on the head. I went and compared my old (slow) laptop with version 3.6.26 to my new one with 4.0.12 and the tables are very different. The old version matches metroplex's...
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    Engine size mis-identification (3.5 TT V6)

    I have an 2013 Lincoln MKS with the 3.5 Ecoboost. It's basically a Taurus SHO.

    I started making changes using the guide on here from metroplex (thanks for writing that up!). Right away I'm...
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    It's a 3.5 Ecoboost motor. I'm sot sure why...

    It's a 3.5 Ecoboost motor. I'm sot sure why HPTuners misidentifies it in the header. I read the ECM and it shows it's a 3.5L V6.

    TIP and MAP reach up to 26 psi on this run, and BARO is at 14,...
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    PM sent

    PM sent
  22. Replies
    148
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    131,542

    This is a WOT run on 87 octane. (Engine is a 3.5...

    This is a WOT run on 87 octane. (Engine is a 3.5 TT V6, but the HPTuners shows it as a 2.5L, 4 cyl in the header)

    I'm logging "Timing Advance" and graphing "Spark". Not sure if they are the same...
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    The rear sensor is dampened by the catalytic...

    The rear sensor is dampened by the catalytic converter. Ideally, it would be a flatline with no excess fuel or oxygen. It should not match the front if the converter is in working order.

    If...
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    I put some 87 in to see what effect it has. At...

    I put some 87 in to see what effect it has. At WOT, I saw positive knock up to 4*. I still see negative values here and there.
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    131,542

    Thanks for this guide. I'm just starting out...

    Thanks for this guide. I'm just starting out with my first Ecoboost 3.5 (2013 MKS). I previously used HPTuners on a 2002 Buick Regal, so the Ford stuff is new to me.

    I'm just starting out. I've...
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