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This is a discussion on Bad mileage, bad gas, car computer adjusted?? within the Gen II Prius Fuel Economy forums, part of the Gen II (2004-2009) Toyota Prius Forums category; About the AC: Did you have it set to a specific temp? If so, thats why. Cooling you down from ...


Bad mileage, bad gas, car computer adjusted??

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Old 11-02-2009, 07:07 AM   #21
Bob64
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Default Re: Bad mileage, bad gas, car computer adjusted??

About the AC: Did you have it set to a specific temp?

If so, thats why. Cooling you down from 90+ takes more energy (gas) then cooling you down from 80.

OR did you do max cool and just turn the fan speed to low?
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Old 11-02-2009, 12:22 PM   #22
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Default Re: Bad mileage, bad gas, car computer adjusted??

no.. just on low temp and low fan.... so it was blowing the same the whole trip..
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Old 11-10-2009, 07:53 PM   #23
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Default Re: Bad mileage, bad gas, car computer adjusted??

What do you mean by low temp? 65 degrees?
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Old 11-11-2009, 01:33 PM   #24
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Default Re: Bad mileage, bad gas, car computer adjusted??

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What do you mean by low temp? 65 degrees?

with the temp setting on LO.. the fan setting on LO.. and the AC on. with the outside vent closed.
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Old 11-11-2009, 02:00 PM   #25
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Default Re: Bad mileage, bad gas, car computer adjusted??

Well (unless I misunderstand something here) no wonder: at the lowest temp setting the AC compressor runs continuously. I don't see why you'd want to do that when the outside temp is 50'F.
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Old 11-11-2009, 02:25 PM   #26
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Default Re: Bad mileage, bad gas, car computer adjusted??

no.. I am saying that during that "bad tank" it seemed like something changed on the last part of it and the next fill up. I was getting booming mpg.. .. after the bad tank I am getting like 61 mpg trips.. where as before the "bad tank" I never got that much mpg according to the MFD.
I was saying that the weather was 80-90's with the ac on before and after the "bad tank"
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