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24/08/2021 6:00 pm
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I have a 2010 Toyota Tundra 5.7L with 228,000 miles and when the outside tempature is above 75F or below 55F my obd2 will show that I am running an ethanol well above 70%. Why is this and how do I go about fixing it please, Thank You.
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24/08/2021 6:53 pm
Well that system that measures the amount of ethanol versus gasoline is very complex you would have to take it to a Toyota mechanic for that even I don't have equipment to analyze could easily be a problem with the oxygen sensors though but it's very complex stuff
Thank You 
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