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Old 01-30-2015, 12:13 AM   #5
Tromatic
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Join Date: May 2013
Drives: FR-S
Location: Portland, OR
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Quote:
Originally Posted by Jake_86 View Post
yeah i know they are harmless but would rather them not be there but wont make me love the car any less haha
yeah i heard the chevon is "best" theory so ill probably try that next fill up, that were e85 is? and what lube do you use? sorry im pretty new to having a good car haha
You need a software tune to run E85. DO NOT use E85 without it. Really bad things will happen.

I use Klotz Uplon. Odd name, good stuff.

Quote:
Originally Posted by Jake_86 View Post
As for the software tune, would reflashing it be the same as an update? or should i look into a new one. i thought there was a sticker on the car that shows when the latest update was applied but i couldnt find it .
The ECU ROM's are updated fairly often. There have been five or six (I think) updates since the 13 model year. A re-flash of the stock ROM or an update to the latest ROM for your car is not a "tune". IIRC, though, one of the factory updates addressed the rough idle issue. You have either an A00D (AT) or A00C ROM. Probably!

It would not hurt to ask your dealer to flash the latest ROM for your car if you have the idle issue.

Running E85 is a serious riot. The easiest, by far, solution for that is the OFT (not affiliated).

Last edited by Tromatic; 01-30-2015 at 12:24 AM.
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