Quote:
Originally posted by Chenango21
Here are some facts:
When I put 89 octane in the computer says I get 10% better mpg than when I put 87 octane in (I reset it the computer at each fillup). I didn't check the mileage the manual way....so can't say for sure the computer mpg was right.
Why would the computer calculated mpg be higher with 89 octance?
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I promise you that the computer readout is way off. Check it the manual way. Its the only accurate way to get your MPG!
