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hybridbear

600 mile club

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So on the car the Ford downgraded to 43 MPG, they are doing much better than the cars still rated at 47? Seems odd, but, eh, guess thats how it is.

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That's really impressive. By the way, has anyone tested how far we can drive below the computer's "Mi to E" estimate?

I think the most I've gone is 33 miles past zero, and another couple times were -29 and -30 or thereabouts, was too chicken to go further. But the DTE number is pretty volatile based on recent driving, so going by the gallons used on trip gauge set to same as tank fill-up seems more accurate, IMHO.

 

This past tank was a good one, 620 miles and DTE said 49, might have been above to stretch to 700 on this one but have the long commute tomorrow (60 each way) and gas is 30-40¢ more per gallon up in NoVA, so filled up today.

 

But this good tank was enough to notch the lifetime up another peg (lifetime regen miles artificially low as that was reset during the PCM recalibration) - still about 2 MPG more optimistic than the actual average noted on fuelly.

Life_50_9_20131031_zps6d4be022.jpg

Edited by jeff_h

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Wanted to give an update to everyone on the Fuel Tank/Fuel Gage/Distance to Empty issue. Ford never came up with any real solutions, so I kept taking pictures, making notes, and paying attention to all the numbers. As it turns out, it took almost 3 full tanks (1500 miles or more and not the 500 that the manual says) for the system to finally start "learning". During the middle of this last tank, my Distance to Empty calculation recalibrated to a higher, more realistic number. I was happily surprised to see that the Fuel Gage also "slowed down" to accomodate the new lower consumption. I am not done with my tank yet, but at the moment,it appears that I will arrive at DTE 0 with 12.5 gallons spent, leaving 1 gallon in reserve. This is still 50miles the way I drive, more than I would have ever put on a hybrid as "reserve", but I am glad I am not finishing with an estimate of 11.5 gallons spent at the zero mark, which was totally off.

 

So the moral of the story is let the car learn. It works. Be patient. And getting 600 miles is now super easy after having learned how to hypermile properly. Summer is coming up so with the hotter temperatures, perhaps 700 is possible.

 

Cheers to all FFH owners out there.

This goes back to the retraining thread. makes perfect sense, the fuel gauge and DTE learns based on how much is put in during the fills. Looks like the more you squeeze in and the further down you drain the tank, the more accurate it gets. This appears to be why those of us who fill before its at empty can only get 9-10 gallons in tops.

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Hmmm, in 33 fill-ups, the most I've ever been able to squeeze in is 11.87 gallons. I cannot understand this gas tank.

Join the club. Wife filled up last night, clicked off twice and she could not add any more, fuel gauge did not read full.

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