I have 87, 91 & 93 perf/tow tune, and 87 eco tunes from 5*.
Is there a "ECU learning" period after loading new tunes, to get engine optimized and get best mpg? IE, if i load a tune, will it take a tank or two of gas to get to optimized mpg?
If I swap tunes every gas tank am I preventing my ECU from learning and optimizing?
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