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  1. Thread: DFCO or no DFCO

    by jsf55
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    3
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    137

    From what I've read it's with out DFCO as it...

    From what I've read it's with out DFCO as it skews any data you have recorded that you are using to manipulate the tune. After tuning switch back on ;)
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    156

    Can't work that out ! maybe someone else can sort...

    Can't work that out ! maybe someone else can sort it ?
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    156

    Cant see any afr channels in your log ?

    Cant see any afr channels in your log ?
  4. You need to log the AFR to make sense of the...

    You need to log the AFR to make sense of the logs, do it in the channels list, I still see some knock on the current log
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    Try turning on DFCO ?

    Try turning on DFCO ?
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    There's a bit of knock on your log too, probably...

    There's a bit of knock on your log too, probably pulling power out as you accelerate, is that what your 'feeling' ?
  7. Hi, have you got a wideband or just tuning of the...

    Hi, have you got a wideband or just tuning of the O2 sensors ? there's big knock retards through the log suggesting it might be weak on fuel ?
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    I've reduced it by 5% and will try it out, I will...

    I've reduced it by 5% and will try it out, I will stay at 4000 rpm for enable as with the high stall converter it will flair up quite easily with the lower 1st gear in the 4l60e box, many thanks Ben
  9. I'll have a go ! you need to be logging cylinder...

    I'll have a go ! you need to be logging cylinder airmass (g) to be able to work out your afr, then set up in your graphs the LTFT +STFT MAF graph display and use that to make the trims needed, it's...
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    Hi, thanks for the reply, it was set to finish...

    Hi, thanks for the reply, it was set to finish the MAF tuning, wide band is MTXL , now in PE mode and will take on board your comments, thanks john
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    Many thanks for that, will try it next time I get...

    Many thanks for that, will try it next time I get a car day , john
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    Which way with my PE additions

    Hi, took it for a run this morning and got a good run at a hill and log shows PE is a bit rich, so how much should I take out and is it all the of it ??
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    189

    Ah .... 25 looks and no response :(

    Ah .... 25 looks and no response :(
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    189

    Ready for some PE work ?

    Hi guys finished off my MAF tune today and reckon it's close enough to find a quite road somewhere and get a few PE logs in ? notice anything I missed ?
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    Check all your earths are present for the coils...

    Check all your earths are present for the coils and injectors, it caught me out before !
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    Glad I could help :)

    Glad I could help :)
  17. Thread: LTFT question

    by jsf55
    Replies
    12
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    254

    engine>fuel>cutoff/dfco >deacceleration cut off,...

    engine>fuel>cutoff/dfco >deacceleration cut off, might be your problem turn it upto 285f
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    I searched the forum using your OS number and...

    I searched the forum using your OS number and came across this
    https://forum.hptuners.com/showthread.php?70193-Flex-Fuel-P59-with-12593058-OS&highlight=12593058
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    No, I lost it when the pc crashed, the nearest I...

    No, I lost it when the pc crashed, the nearest I have to it has all my deletes to run it in my car, it may be of use ? I just remembered I had it saved in my yahoo emails, have a look at both, john
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    I have a 2003 engine in mine with a P59 ECM. I...

    I have a 2003 engine in mine with a P59 ECM. I switched my flex fuel off straight away as it's not available, but I kept the settings if its of any use ?
    default percentage 38%
    low fail frequency...
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    I just wonder if the time delay has anything to...

    I just wonder if the time delay has anything to do with the lack of reply's to any of my posts ? sitting here in the UK at 10.30 am means it's 8 pm in Australia ? and even worse 5.30 am or earlier in...
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    Sd tune good to go ?

    Still trying to perfect this LTFT + STFT additions to the VE table, but it's looking promising ? thanks John
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    I've had several wiring issues with my engine,...

    I've had several wiring issues with my engine, I'm sure its down to the thinness of the loom wiring, anyhow, mate found this link and suggested changing the connector to the throttle body, seems to...
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    Thanks for that, something I missed, waiting on...

    Thanks for that, something I missed, waiting on alty to come from USA
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    Been out again, read somewhere to repopulate the...

    Been out again, read somewhere to repopulate the PIDs using the scanner, tried that no luck, alternator is giving me grief too now :(
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