Ethanol Soft 216.0.1

EMU PRO
1

Hello,

I went to the dyno to tune the engine to 98 octane gasoline and ethanol with software version 216.0.1,

I filled the corrector with the etahanol percentages and I made 2 mappings to be precise up to 5% and 60%, did I proceed correctly?

It also seems to me that the correction percentage only acts on the first map at 5%, and that the VE-tuner always acts and corrects on the first map when it’s on the 60% map, which means that it applies the corrections to my petrol MAP when it detects 70% Ethanol.

Can you tell me if I’m making a configuration error or if it’s a software error?

Best Regards Yann

Ethanol T
Ethanol T1280×960 476 KB

Tableau Ethanol
Tableau Ethanol1920×1440 344 KB

2

Hi,
You don’t need two VE tables for different ethanol contents.

The correct fuel amount is automatically calculated based on the fuel type.

The only thing you might need is a slight correction between gasoline and ethanol to compensate for the different fuel composition and density.

You should be no more than 5% off correct fueling without manual corrections when switching between fuels.

3

Thanks for your answer, I’m more towards 8 to 10% difference in EVs.
Is my ethanol correction table more or less accurate according to you?
So do I have to change the density each time between fuels or make a table like on the picture?
Best regards Yann

fuel density
fuel density1920×1440 396 KB

4

Use the fuel correction based on the ethanol content.
You were looking at that table in the previous post.

If 2D correction is not good enough, you can add another axis to that table, like RPM or load.

5

Hello,
Thank you for your answers, I understand, I’ll try according to your information and if it’s not precise enough and I want to make VE tables, I have to set the Ethanol table to 0 everywhere and work on this VE table, for example 5 tables every 25%?
Does the VE tuner always correct only on the first graph or should it normally correct where the cursor is as in the photo, if the cursor is on 70% it should correct the 70% graph?
Because when I did the programming and the two cursors were on 70% on the VE and the VE tuner, it corrected the first 5%?
Thank you for your answers. Yann