new 2.4l issues with fuel trims. plz check logs need help - EvolutionM - Mitsubishi Lancer and Lancer Evolution Community



new 2.4l issues with fuel trims. plz check logs need help

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Old Nov 30, 2017, 07:54 PM   #1
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Question new 2.4l issues with fuel trims. plz check logs need help

hi every one i would appreciate it if i could get some advice on this log. i have several this is the most recent and captures the event 2 times in a fairley short period of time.
so story is i had the previous motor pretty well dialed in as fars as idle. fuel trims wernt perfect but atleast it didnt do what its doing now.
so when i start it it will fire up and usally idle in the 12's then it will start going back and forth lean to rich till it starts to get to 19-20' on the wideband the idle will drop low and make almost a diesel sound.
when cruizing getting on boost afr stay in the 11.0-
im thinking it might have something to do with maf scaling i tried looking into that but there is so much conflicting data on how to do so with the changes in roms over the years and and most of the image links are gone
i dont have the cash for a full on tune but i can donate some if some one can help me get my idle /fuel trims under controll.
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File Type: csv EvoScanDataLog_2017.11.26_13.38.24.csv (105.4 KB, 0 views)
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Old Nov 30, 2017, 10:27 PM   #2
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more logs. lmk what else i can log to help
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File Type: csv EvoScanDataLog_2017.11.30_12.13.54.csv (171.8 KB, 0 views)
File Type: csv EvoScanDataLog_2017.11.28_08.51.43.csv (43.8 KB, 0 views)

Last edited by evo420; Nov 30, 2017 at 11:34 PM.
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Old Nov 30, 2017, 11:54 PM   #3
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im not sure if the logs are working to download??
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Old Dec 1, 2017, 02:28 AM   #4
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it works
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