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Old 06-24-2015, 06:22 PM   #483
steve99
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Join Date: Dec 2013
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Quote:
Originally Posted by Sovereign View Post
Looks like something is wrong
you have high positive fuel trims up to 15%
that means ecu is adding fuel

if thats first tank of e85 then usually the residual petrol makes it run rich and you get negitive fuel trims

you usually only get hight positive trims on e85 if you e% is rearly high like over E85 for those level of positive trim.

air leak in exhaust will leak in fresh air and make o2 sensor think its lean so ecu adds fuel.
or o2 sensor is damaged

or your running a petrol tune with e85 in tank
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