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    Thanks for this insightful information. I wasn't...

    Thanks for this insightful information. I wasn't aware of this for Gen 4 platforms. I'm hoping that my most recent changes in the tune help. I'm still wondering if there is some funky TCS/TqMgt stuff...
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    Probably what was happening to me, but I have yet...

    Probably what was happening to me, but I have yet to test. I'll likely test it in a few days. Back to work.
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    I already richened these cells up and it happened...

    I already richened these cells up and it happened anyway. It seems to do it regardless of KR or lean/rich.

    I was able to tune the cat test out as well as the desoot (overlooked when jumping to 5.X...
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    I've ignored your complacency long enough man....

    I've ignored your complacency long enough man. You keep saying "dumb" and "stupid". I asked for assistance in tracking down the issue, not a comment about what you think is a smart or dumb thing to...
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    I have my wideband in the vehicle at all times....

    I have my wideband in the vehicle at all times. Anytime it's running, I can monitor it visually or via logging.

    Anyway, I reimaged a new computer dedicated for tuning and noticed this thread...
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    If you look at the VVE table/graph the cells in...

    If you look at the VVE table/graph the cells in that area are fairly smooth transitions, so I really suspect that is not the case. Also, MAP cells are 85, 87.5, 90 kPa, so it could bounce around a...
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    I am doing speed density, therefore, commanded OL...

    I am doing speed density, therefore, commanded OL and failed the MAF. I also have no O2's, other than my wideband (the PIDs are false readings if you're looking at them). The existing P0430 P0030...
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    Part Throttle/Torque Cut Blip

    Hey all,

    Trying to get some advice as to what exactly is causing a blip in power while driving under part throttle.

    In the log, at 4:34:34.897 PM, you'll see the engine torque is @ 220 lb-ft,...
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    Bump, anyone able to help?

    Bump, anyone able to help?
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    Ford Focus SE P/N Rev Limiter

    Hey all!

    As the title suggests, I'm having a hard time tuning out this rev limiter on a 2013 Ford Focus. I've tried the Fuel > DFCO,Cutoff tab, adjusting RPM limits in various gears, adjusting...
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    Toyota Tundra Accel Issues

    Hey members,

    Got a log file for someone to take a look at and provide some advice (hopefully). There's a few things I'm concerned with, but would like a second set of eyes to look at it.
    ...
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    Hi Evan, I wanted to update you and others who...

    Hi Evan, I wanted to update you and others who may see this later. The 2020 was able to pulled from. I sent an email into support for a definition to be added. I'll also upload the files here in case...
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    @anyone How exactly do you specify the...

    @anyone

    How exactly do you specify the controller to use to read? I attempted to read and use my MPVI2, but the only controller I saw was the NGC4 from my old Chrysler 300c.

    Edit:

    Figured...
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    Thanks for the update Evan. I'm thinking they...

    Thanks for the update Evan. I'm thinking they should as well. I'll do a quick read off it today and post back the results. If it is tunable, I'll need to do this anyways.
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    2020 STI Support?

    Have an MPVI2 that I used for my 300c. Getting a new 2020 Subaru WRX STI soon. I saw the last STI year supported was 2019. Does anyone have information if the 2020 models are any different, aren't...
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    Update: Probably not the best/permanent fix,...

    Update:

    Probably not the best/permanent fix, but I found the CEL code in the Trans Diag menu. After I disabled SES and MIL, it stopped showing up. I was then able to use all of the features of the...
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    Troubleshooting Pesky CEL

    Hello forum members,

    Hopefully someone can provide some insight on this very annoying code my car (2008 Chrysler 300C Heritage Edition) keeps throwing. I've narrowed it down finally to what...
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    Nobody said anything about a cam, but thanks for...

    Nobody said anything about a cam, but thanks for the tip.
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    You think so? I thought about that honestly, but...

    You think so? I thought about that honestly, but it must be very minor, because it's not showing any codes or even sounding like a vacuum leak
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    It's being logged, but thanks for the link.

    It's being logged, but thanks for the link.
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    Throttle Position Sensor Question

    So I've been doing some self-tuning and logging, but noticed on some WOT pulls (foot is solid on the floor) I'm not getting a reading of 100% throttle from either the pedal or the TPS. My pedal seems...
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    FstdodgeKY, That seems to correlate to the...

    FstdodgeKY,

    That seems to correlate to the logs I've done. RPMs climb steady under throttle, but idle and low speed seem to be a different story. I compared my stock tune to a stock file (2007)...
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    I was thinking that too, and there shouldn't be...

    I was thinking that too, and there shouldn't be any difference honestly.

    Raised idle up to about 714-720rpm. There was no difference.

    If I kick the A/C in, the idle ups a bit like it's supposed...
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    Stable Idle

    Background

    I've been trying to tune my 2008 300C (5.7L) for a stable idle.

    Currently I'm fluctuating about 25 to 50 +/- rpm at idle (in/out of gear). The car has always been like this, I had...
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    Not sure if this is a proper fix, but I finally...

    Not sure if this is a proper fix, but I finally got it to go away.

    Prepare a new tune (stock or your custom tune):
    1.) Clear CEL status codes using VCM Scanner
    2.) Write new tune to vehicle (TCM...
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