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2017 Ford Edge Sport Gas Mileage


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96 replies to this topic

#81 OFFLINE   roots57

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Posted 16 January 2018 - 06:40 PM

Just finished a full tank of fuel to calculate the MPG vs the displayed value and its about 1 MPG lower than the display so far.  I'll keep the calculation going for a couple more tanks to get a more accurate value, but its a bit disappointing.  I even used the same gas station and same exact pump to eliminate that as a potential variable.


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#82 OFFLINE   Barvic

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Posted 22 January 2018 - 03:28 AM

Happy new year gang.

So, I fueled up yesterday after 2 weeks of city driving so I new it was not going to be great. I am driving it like a miser, coasting stops, using momentum, etc... also, doing this transporting thing I am driving half the time at 5am so pretty clear and green lights. display read 14.7 l/100. Actually it was a whopping 17.87 in reality; 13.1 mpg us. The only th8ng I have driven lately that drank more was a Nissan Armada.

Re the steering tracking. Yep, I have to try at least another wheel alignment. Ford did two but screwed with camber etc, as well before they replaced all four tires. Pirelli scorpion 20s only 10k now. This is the most hands-on car I have ever driven, even MBs, Nissans, dodges, etc... with 20s drive truer than this edge.

I really like the car when I get back into it for comfort, content and things are well laid out. It’s so disappointing though after driving other cars due to the tracking.
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#83 OFFLINE   1004ron

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Posted 27 January 2018 - 10:59 AM


 I am driving it like a miser, coasting stops, using momentum, etc... also, doing this transporting thing I am driving half the time at 5am so pretty clear and green lights. display read 14.7 l/100. Actually it was a whopping 17.87 in reality; 13.1 mpg us.  [16 mpg us]

Either your definition of driving like a miser is off, or you need to find a new competent dealership to fix it - I get a steady 22 mpg us without driving too economically.

I use exclusively Costco Premium.

 

 

14.7L/100km = 16 mpg us

https://www.calculat...00-km-to-us-mpg


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#84 OFFLINE   KLinNBC

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Posted 28 January 2018 - 10:29 AM

. I am driving it like a miser, coasting stops, using momentum, etc...

 

Not sure if by "coasting" you mean shifting to neutral. Doing that is not advantageous: braking in gear cuts fuel delivery to zero while coasting in neutral results in the engine idling and consuming fuel. Depending on grade (terrain) a vehicle in neutral may roll farther but I believe the consensus is no fuel savings. Not a massive distance either way.


Edited by KLinNBC, 28 January 2018 - 10:30 AM.


#85 OFFLINE   Mikula

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Posted 28 January 2018 - 11:22 AM

 

braking in gear cuts fuel delivery to zero

Without fuel the engine would stall. higher RPM uses more fuel than lower RPM, even if you are not on throttle. will you notice fuel savings by dropping to neutral? I would say absolutely not, but it doesn't cut fuel to "zero"



#86 OFFLINE   roots57

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Posted 29 January 2018 - 07:34 PM

It seems that EcoBoost engines do provide exactly that, economy and boost . . . just not at the same time.  You get to pick which you prefer with your driving style.



#87 OFFLINE   akirby

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Posted 29 January 2018 - 09:07 PM

Most Ford engines do cut fuel while coasting - it’s called DFSO - Deceleration Fuel Shut Off. Not sure if it cuts all fuel to all cylinders at the same time but you can see this by watching the instant mpg when you take your foot off the gas completely.
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#88 OFFLINE   WWWPerfA_ZN0W

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Posted 30 January 2018 - 02:52 AM

I think they introduced that in 2011 on the Edge/MKX.



#89 OFFLINE   omar302

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Posted 30 January 2018 - 04:25 AM

From the 2011 Edge Source Book

 

Aggressive Deceleration Fuel Shut-off (ADFSO)
• Helps maximize fuel efficiency
• Temporarily interrupts fuel delivery and consumption
when the vehicle normally slows down while
maintaining normal engine operation
• System uses the transmission to keep the engine
running at a low, more fuel-efficient operating level
whenever possible
• Normal fuel delivery resumes when the vehicle reaches
a low speed or when the driver accelerates
• Helps maintain excellent driveability with a Fordproprietary
software that integrates the fuel shut-off
technology with the powertrain operation
• System is automatic and requires no interaction
from the driver

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#90 OFFLINE   Mikula

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Posted 30 January 2018 - 06:28 PM

I think you guys are mis-interpreting "fuel shut-off". it does not mean "zero fuel"

 

I'm pretty sure we can all agree on how an internal combustion engine works.  B)



#91 OFFLINE   omar302

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Posted 30 January 2018 - 09:18 PM

It might not be literally zero fuel, but close enough to get 0 L/100km in the instant fuel economy display.
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#92 OFFLINE   KLinNBC

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Posted 30 January 2018 - 09:31 PM

I think you guys are mis-interpreting "fuel shut-off". it does not mean "zero fuel"

 

I'm pretty sure we can all agree on how an internal combustion engine works.  B)

 

Nope, fuel shut-off means the fuel is shut OFF. The rolling of the vehicle keeps the drive train rotating so that when the throttle is reapplied fuel delivery and combustion resume. The fuel shut-off is gradual when you lift off the throttle but is total in a second or so. Isn't an Edge or Ford feature, it's intrinsic to practically every vehicle made for the last 20 years with an automatic transmission. It's a result of CAFE and other enviro regulations, manufacturers have been jumping on anything to meet ever more stringent standards.

 

AN engine doesn't "stall" if it's still rotating. If you think about it that's how you start an engine: the electric starter get's it turning over then you add fuel and spark. As long as it's still turning over you can take away fuel and spark and add it back pretty seamlessly. As you might guess the fuel sht off is different with a manual trans: it still happens when you lift off the throttle while moving but resumes the instant you disengage the clutch. Similarly with a slush-box, when the vehicle approaches a full stop the fuel delivery is activated.


Edited by KLinNBC, 30 January 2018 - 09:41 PM.

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#93 OFFLINE   akirby

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Posted 30 January 2018 - 09:33 PM

I think you guys are mis-interpreting "fuel shut-off". it does not mean "zero fuel"
 
I'm pretty sure we can all agree on how an internal combustion engine works.  B)


It does mean ZERO fuel for short periods. The wheels and transmission keep the engine turning over until fuel is added again.

If the engine couldn’t turn over without combustion you wouldn’t be able to push start a manual transmission vehicle.
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#94 OFFLINE   Mikula

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Posted 31 January 2018 - 06:41 PM

alright, I can see where that seems factual. however, can someone explain how there are exhaust gases without fuel combustion? asking for a friend  ;)



#95 OFFLINE   KLinNBC

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Posted 31 January 2018 - 09:28 PM

alright, I can see where that seems factual. however, can someone explain how there are exhaust gases without fuel combustion? asking for a friend  ;)

I'm not sure what you're asking: the gases from the combustion of gasoline are pretty much not visible, in a healthy car what you see is condensation. Any kind of thick smoke could be oil or coolant or trannie fluid burning. Soot can build up in the tailpipe if it's running really rich. But I'm certain you aren't seeing the products of combustion while a vehicle is decelerating.



#96 OFFLINE   Tennisist

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Posted 06 February 2018 - 09:32 PM

I am working with engines and will try to clear questions about what gas to use and fuel economy you get, Definitely fuel economy will improve after brake in period (2k to 3k miles), but most critical is what fuel your engine is tuned for! If you look inside your fuel door, it might have two statements; first - "premium fuel only" (edge ST, focus RS, mustang 2,3L turbo), it means that for NA engine tuned for octane rate of 91 (in some states 91 is highest rate you can have) - best performance and fuel economy you will have with 91-93 octane rate fuel and might harm your engine if use 87 fuel: second - "premium fuel recommended", it means that your engine tuned for octane rate of 89 and your best performance and fuel economy you will have at 89 - 91 octane rate, but will not harm engine if use 87 fuel,


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#97 OFFLINE   Barvic

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Posted 12 February 2018 - 02:42 AM

Update, driving like a miser I men being really light on the gas and coasting I do not shift to neutral, simply let the cars momentum carry me when I can. Talked to the dealership about this and it’s a pretty subletive subject, they’re indeifferentto look into it. Probably not a warranty claim code they will get.




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