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    http://www.ukbeg.com/forum/viewtopic.php?f=8&t=212...

    http://www.ukbeg.com/forum/viewtopic.php?f=8&t=21234&p=280716&hilit=baro+corr#p280706
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    Been there, done that. Don't remember, which of...

    Been there, done that. Don't remember, which of the sensors off a 1125 I used, but it was a stock Bosch PS-AA sensor. I installed it in the rear side of the airbox base. Using the sensor from the...
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    Of course you can do as you like. But, just as a...

    Of course you can do as you like. But, just as a side note: I created EcmSpy, I designed the XPR file format and I talked to Mark Mansur how to best integrate Buell's ECM to Tuner Pro. Ask those...
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    The cluster probably was probably taken from an...

    The cluster probably was probably taken from an older model. Newer models have more teeth on the 5th gear wheel than older. I do not remember, was it 48 vs 42 or whatever?
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    These files are fully identical. It's as simple...

    These files are fully identical. It's as simple as renaming them.
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    This is of course incorrect, as a failing coil...

    This is of course incorrect, as a failing coil causes a lean reading at the O2 sensor.
  7. Thread: MLV question

    by gunter
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    http://ecmspy.com/cgi-bin/detail_ld.cgi?ecm=DDFI2&...

    http://ecmspy.com/cgi-bin/detail_ld.cgi?ecm=DDFI2&offset=21
    http://www.megamanual.com/v22manual/minj.htm#size
    http://www.megamanual.com/flexfuel.htm
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    The airbox inlet (be it the hole through the...

    The airbox inlet (be it the hole through the frame or the newer version of the airbox lid) is not that limited, that an additional incoming air flow will have a great impact in fuelling. Definitely...
  9. AFV is computed in closed loop operation, and...

    AFV is computed in closed loop operation, and there a narrowband O2 sensor will work perfectly well.
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    Black will be okay....

    Black will be okay. https://en.wikipedia.org/wiki/Incandescence
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    You are fully right, if the ECM is running in OL...

    You are fully right, if the ECM is running in OL only, there are no corrective actions applied, hence no data available except a lean - rich transition from the NB O2 sensor.

    My impression was...
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    With 6-7 data queries per second you are missing...

    With 6-7 data queries per second you are missing 50 - 90% of all ignition cycles. Taking this into account, swapping an qualitative analysis with a quantitative one will not really increase accuracy....
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    I disagree. The ECM does not care about the real...

    I disagree. The ECM does not care about the real deviation from stoich in CL, it cares about what it thinks the deviation is. No one knows, how this is computed from the NB O2 voltage, and if the ECM...
  14. Thread: Blank ECM

    by gunter
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    Sounds like power/ground failure because of...

    Sounds like power/ground failure because of broken wire to me. Would explain the CEL lit (self-test) and why no codes are stored.
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    This is not the case. AFV is always limited, and...

    This is not the case. AFV is always limited, and always checked against its threshold values.
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    I never tuned the WOT part of a map using a WB O2...

    I never tuned the WOT part of a map using a WB O2 sensor, as I do not have access to an EC dyno, and anything else would be a waste of time, budget and fuel.
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    AFV is applied in open loop operation only,...

    AFV is applied in open loop operation only, whereas EGO correction is applied in closed loop only.
    AFV is also the reason, snake oil like the mentioned devices will not work. Fuel is added because...
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    Limiting AFV has nothing to do with closed loop...

    Limiting AFV has nothing to do with closed loop operations.
    With a default WOT correction of 110 Buells run at about AFR 13.3:1 at WOT.
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    For a stock bike, no AFV changes are needed....

    For a stock bike, no AFV changes are needed. Buells do not run lean on a stock map, because CL and OLL will help to avoid this.
  20. The throttle will commonly open to only 85, as...

    The throttle will commonly open to only 85, as this is the value set in the ECM (http://www.ecmspy.com/cgi-bin/detail.cgi?ecm=79&offset=22) - at least for DDFI-2 (approximatley 5 are needed for...
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    XB do not run lean. In CL the mixture is stoich,...

    XB do not run lean. In CL the mixture is stoich, in OL OLL will prevent them from running lean.

    edit: typo
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    ... and you won't get CL adjustments if CL is...

    ... and you won't get CL adjustments if CL is mapped correctly. But you will, if not, and your OL/WOT tuning is ruined.
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    Given the fact that AFV is calculated in CL...

    Given the fact that AFV is calculated in CL (ignoring OLL, which is also clearly visible in the logs), wideband O2 will tell, that the mixture is stoich, and would be a waste of money and effort....
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    MLV "autotuning" does not work for DDFI. Using...

    MLV "autotuning" does not work for DDFI. Using the dynamic maps of EcmSpy is highly recommended, fixing the map in CL is easy then: http://ecmspy.com/ug_mono/V2.0/tuning.shtml
    Locking or limiting...
  25. From what I seem to remember, the problem was...

    From what I seem to remember, the problem was often caused by the speedo signal frequency being too high for some gear indicators. Many expect one or two pulses per full turn of the front sprocket,...
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