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Discussion Starter · #1 ·
Hi everyone! I'm a brand new member here and have something that has been annoying me on my 2017 Cmax Energi. When I turn off the car, I get the ratings for driving style, climate control use, and outside temp/other. My driving style and climate control are generally good and change as you'd expect. But, the outside temp/other is always showing as bad. It has to be something in the "other" category since I've had this happen with temps from 20F to 90F. Also the max mileage I've been able to get has reduced from ~27 mils to ~24 miles. Has anyone else seen this and is there anything that can be done?
Plant Speedometer Trip computer Odometer Gauge
 

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Discussion Starter · #5 ·
Orion said his is doing this with temp ranges of 20F - 90F so I can't imagine it's the temperature, and though the warmest it's gotten here so far this year is 70F my indicator remains pegged far left no matter what the temp is.

And, my climate control use indicator moves left and right regardless of whether or not I use the climate control. The colder the outside temp, the more it drops even though I don't even turn on the climate control!

I actually took my C-Max to a Ford dealership to have them hook it up to see what the problem was because, like Orion, I assumed it had to be "other" causing this. They were real skeptical they would find anything and suggested I do a little more online research before paying their diagnostic fee, hence my coming here to see if anybody had a clue. Was surprised to find a post pretty much exactly like the problem I'm having posted just a few days ago! Would love to know what's causing this.
As far as I have seen, all of my internet research has only come up with something that might be remotely applicable. I don't remember where I saw it, but somebody mentioned that their alternator was aging and putting more resistance into the system. They replaced it and their mileage went up. This may have been coincidence, but I don't have any other information to go on. It seems nobody really has an answer for this.
 
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