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Old 07-10-2020, 08:08 AM   #1
nkobns
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Join Date: Sep 2017
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Delicious Tuning Flex Fuel issue : Ethanol content sudden drops

Hi everyone !

I have a Delicious FFK for 12’ models modded for my EUDM ‘17 (details on this below)

I am encountering problems with the ethanol content value : it suddenly drops to zero for an unknown reason, and I can’t use a flex fuel tune since it would mess up the injection and might run the engine leaner than it should.

An important detail is that those drops seems to be directly linked to road bumps. Lots of bumps, lots of drops, no bumps, no drops.

Green is the ethanol content :



Any clue on what’s happening ?

Thank you !!

Here is a bit of the background story for those of you that would be interested :

Long story short, after some mixup with a group buy, i ended up with a 2012 model FFK for my EUDM 2017 GT86.
On 17’, there is no ground in the O2 sensor plug, so it had to be added by making a T connection out of the black wire of the O2 sensor to link it to a ground spot.

Delicious suggested that I could add the ground myself. Of course, they offered to make the mod in house, but since it would have cost a 2way trip from US to FR, it does not look like a reasonable solution for such a simple mod.

I used the ground spot that’s just below the fuse box. I made a weld for the T. Here’s my T that I stripped out from its heat shrinking protection to check it :



Last edited by nkobns; 07-11-2020 at 08:48 AM.
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