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Old 09-10-2019, 07:16 AM   #3 (permalink)
Ecky
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Join Date: Dec 2011
Location: Vermont
Posts: 3,677

Gaptooth (retired) - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 54.26 mpg (US)

Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

Connect - '15 Ford Transit Connect XL
90 day: 21.19 mpg (US)

K-sight - '00 Honda K-sight
90 day: 38.53 mpg (US)
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Maybe the ECU is learning your driving style? Also possible that your car becomes less responsive when fully warm, sometimes emissions programming comes into play more the longer you drive.
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