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my gas consumption is getting less

Discussion in 'Prius v Main Forum' started by scottmd25, Oct 15, 2012.

  1. scottmd25

    scottmd25 New Member

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    Vehicle:
    2012 Prius v wagon
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    Three
    earlier this week just like i always do, i topped off my tank and noticed it didnt read the normal 450 mi per tank it always reads. it showed 404. i thought that was strange . now i am moving cross country and have filled up 4 more times, and every time it has been less. went from 404, to 396, to 375 and finally 365. does anyone know what this is or experienced this before. it is a 2012 prius v
     
    #1 scottmd25, Oct 15, 2012
  2. F8L

    F8L Protecting Habitat & AG Lands

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    Your average mpg has been getting worse it would seem. That tends to happen when the temperature turns colder and winter blend fuel comes online.
     
    #2 F8L, Oct 15, 2012
  3. scottmd25

    scottmd25 New Member

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    thanks for the reply ,but its not my avg mpg its when i fill up the car the tank isnt reading what it used to a week ago and is reading less after every fill up.
     
    #3 scottmd25, Oct 15, 2012
  4. DavidK44

    DavidK44 Junior Member

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    Those numbers are the estimated range, and they're not constant. The car bases those numbers on the average MPG that you've been getting, and so they will change as your MPG changes. As F8L said, the MPG gets worse in winter, and so the calculated range will drop. If you saved your receipts from your fill-ups, you can look at the gallons of gas you put in the car. They probably haven't changed much.
     
    #4 DavidK44, Oct 15, 2012
  5. skwcrj

    skwcrj Member

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    Can you tell us more about this cross country drive? Are you moving from East to West? Climbing more? Are you driving faster than you normally do?
     
    #5 skwcrj, Oct 15, 2012
  6. fuzzy1

    fuzzy1 Senior Member

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    What were your actual mpgs before and during this trip? These results are used to estimate the remaining tank mileage. Without this information, we cannot say whether or not the pattern you are seeing is an anomaly.
     
    #6 fuzzy1, Oct 15, 2012
    cwerdna likes this.
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