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Thread: e67 commanded fuel going lean

  1. #1
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    Default e67 commanded fuel going lean

    all ol tables set to 1 and pe at .8 floor the car it goes to 11.74 afr then starts to trail commanding lean?

    ive got to be missing a table somewhere

    attached is the log where right in the begining you can see a wot pull

    E67 dyno meth.ctzLog_0018.efi

  2. #2
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    car has meth and iat is moved out of maf so the iat sees the meth, dont know if thats the issue

  3. #3
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    أHi,

    To get quick help, you need to post tuning file and car mods...

    I looked at the datalog, and assuming that you're talking about WOT. I have the following comments as of now:

    - wot was few seconds only, when the pedal released it went back to normal lambda. frame (267 - 290)
    Regards,

    Odd Boy

  4. #4
    Joe (Moderator) joecar's Avatar
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    Can you also log EXT.WO2LAM1 and EXT.WO2EQR1.

  5. #5
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    The tune file was loaded. The ctz file. I will get the ext pids logged. And yes wot the commanded goes to 11.74 then still at wot the target trails lean. Then when you get out of throttle it returns to 14.68

    Car is a heads cam pulleys longtubes Ctsv. Stock shortblock automatic.

  6. #6
    Lifetime Member wesam's Avatar
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    Subsribed as i have same problem in 2 cars for the first time without any reasons
    EFILive Tuner

  7. #7
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    I can see where it commands leaner... and there's also a drop in RPM at that point, which makes me think it's got something to do with a gear shift or TCC engaging.
    Click image for larger version. 

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