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· FI Lunatic
1,378 Posts
Mine has never been closer than 5% on the optimistic side. I've logged every fillup. No one fills my tank but me. Same pump/station, and 90% of the time, same time of day...early am.
Mine ranges from 5% to 11% optimistic...I've learned to live with it, and use it for "Indicating Purposes Only", that is, when the DIC is reading in the mid 40's, I know I'll get about 39MPG; haven't
broken the 40MPG barrier yet!
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