Re: Good mpg!
Ethanol will yield less mpg. Here is how it worked in my chevy flex fuel saburban. Ethanol has a higher octane rating than unleaded. You would think that it would help the power and mpg being higher octane. Wrong, the trucks computer senses higher octane and then retards the timing to compensate. there for loss of power and mpg. This mite just be the reason for some of the Toyota's getting less mpg. I live in Idaho. We do not have Ethanol yet. I burn 85 octane only and get some pretty good mpg.
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