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Afaik, on a flex fuel usa car, the conditions map was increased to accept out of parameter temperature conditions caused by the alcohol. IE: different exhaust temps with no corresponding other symptoms would now be acceptable then add more or less fuel. Suspect the after cat egt probably stays the same.
Not a computer mechanic, but can play one on the internet
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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