Flex fuel kit tuning question - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Captain Snooze · 08-14-2015, 09:32 PM

I emailed Delicious Tuning twice regarding this question but my question wasn't answered.

I know I have to get a tune to use ethanol but can I fit the flex fuel kit, not get a tune and not use ethanol?
That is, does the flex fuel kit alter the map for 100% NON-ethanol fuel?

Ta.

zkv476 · 08-14-2015, 11:39 PM

You can get the kit installed (fuel lines and sensors and whatnot) and not wire it into the ECU and it simply does nothing. If you wire it in however you are changing one of the inputs to the ECU (CPC pressure if I remember correctly, if not the rear O2), at least it is for the USA models. Not sure what it's used for on other regions. That may trigger a code or other issues.

Captain Snooze · 08-14-2015, 11:57 PM

Quote:

Originally Posted by zkv476

and not wire it into the ECU

Bingo!
Thanks.

08-14-2015, 09:32 PM	#1
Captain Snooze Because compromise ® Join Date: Jan 2012 Drives: Red Herring Location: australia Posts: 7,817 Thanks: 4,047 Thanked 9,548 Times in 4,194 Posts Mentioned: 60 Post(s) Tagged: 0 Thread(s)	Flex fuel kit tuning question I emailed Delicious Tuning twice regarding this question but my question wasn't answered. I know I have to get a tune to use ethanol but can I fit the flex fuel kit, not get a tune and not use ethanol? That is, does the flex fuel kit alter the map for 100% NON-ethanol fuel? Ta. __________________ My car is completely stock except for all the mods. Last edited by Captain Snooze; 08-14-2015 at 10:10 PM. Reason: typo

08-14-2015, 11:39 PM	#2
zkv476 Senior Member Join Date: May 2014 Drives: 2014 SWP BRZ, MT Location: New Jersey Posts: 240 Thanks: 11 Thanked 140 Times in 90 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	You can get the kit installed (fuel lines and sensors and whatnot) and not wire it into the ECU and it simply does nothing. If you wire it in however you are changing one of the inputs to the ECU (CPC pressure if I remember correctly, if not the rear O2), at least it is for the USA models. Not sure what it's used for on other regions. That may trigger a code or other issues. __________________ The answer is racecar. Always.

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