What is your question?
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What is your question?
I have ran a tec2 and reset the parameters on it and yet shortly after I do it goes back to reading high alcohol 78% again please help
What makes this problem better or worse?
I have never ran e85
How long has your 2009 Chevrolet Impala had this problem?
6 months

https://www.youtube.com/watch?v=5DI3GlpOszE