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Thread: Long and short fuel trim is not correcting fuel.

  1. #1
    Join Date
    Feb 2016
    Location
    Ashgabat
    Posts
    841
    My Cars
    e36 v8 Turbo HX-40

    Long and short fuel trim is not correcting fuel.

    Some strange thing is happening. Here iz the video attached. Can you please have a look and give your opinion gents.
    Engine run smooth but reach afr 13.5 max. When switching gear become 10 or even less. Also, less than 10 when throttle to idle. When engine is working few seconds it is becoming max 12.5 - 13.5 again. Never 14.7 so far.
    Inpa shows short and long fuel trim does not correct. Short is always 0 & long is 1.0....
    <font color="#333333" style="color: rgb(51, 51, 51); background-color: rgb(228, 228, 228);">
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  2. #2
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,521
    My Cars
    36 Cylinders
    Is it properly tuned? What errors are present?
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  3. #3
    Join Date
    Feb 2016
    Location
    Ashgabat
    Posts
    841
    My Cars
    e36 v8 Turbo HX-40
    It is strange but no errors. Tuning file done by TTFS and it was working no problem. Even i did re instalation to different ecu the same file but no success. If you go to my yuotub chanel you can see that about month ago i had a problems with lyambda. Adaptation was working but lyambda was fail. Then changed lyambda and everything was ok.
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

  4. #4
    Join Date
    Feb 2016
    Location
    Ashgabat
    Posts
    841
    My Cars
    e36 v8 Turbo HX-40
    Any idea?
    e39 540i 6speed Supercharged,
    E36 v8 m62 with m60 headers, Turbp HX-40 0.6-0.5bar or 9psi, custom exhaust & Turbo manifold, injectors 440cc, ECU Invent EMS-2, Mishimoto Intercooler and oilcooler, etc…

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