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Software Updates from Ford to improve MPGs

MPGs Software Update Ford Fusion Hybrid

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475 replies to this topic

#41 OFFLINE   GrySql

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Posted 17 July 2013 - 01:02 PM

If it's a loaner from the dealer then I'd put less gas in and tell them why. Next time our FFH has to go in for a few days I'm going to tell them that I want a C-Max or FFH to drive.

The only problem with that is my Dealer uses Enterprise as the Loaner fleet, they have a desk on the showroom floor - and whatever is in the lot is what you get (sometimes).  I pushed it real hard this last time because all they had were older cars that smelled real bad or little econoboxes.  Enterprise actually sent to the local Enterprise parking lot and got me a new Escape. The Dealer just told them to make the rental equal or better, Enterprise had to scramble. 

I also saw the rental rate for my car, $24 @ day for the Escape Dealer price.

 

Regarding gas in the Rental car, that again is an Enterprise policy, not my Dealer's.  Enterprise told me to take my gas issue to the Service Advisor, which I did.

I gave my Rental gas receipts to him and it had to go up a level to get approval.

I was offered Ford Owner Advantage credit on future service or a check to be mailed to me.  I made it easy and just had them put in my FOA account, that way it stayed at the Dealer and I can use it for service charges (I have over $60 in that account now).


Edited by GrySql, 17 July 2013 - 01:03 PM.

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#42 OFFLINE   Nick P

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Posted 17 July 2013 - 01:19 PM

I would be careful about waiting too long to get the upgrade.  I get the impression from what I've read that at some point Ford will start charging for the upgrade.  The question I have is:  My car is running great and my lifetime MPG is at 50.3.  If I get the upgrade and my performance goes down, can I get the old software re-installed?  I doubt that will happen because the faster warm up and better cold weather performance can only help but you never know.

 

Now, if I can only get the right shifter put on, and get the parts in for the clunking sound from the axle, I'll be in good shape.


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#43 OFFLINE   djminfll

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Posted 17 July 2013 - 01:41 PM

I just saw this link to the story. I know the article has already been presented, but I thought this was interesting for the video attached. It is a series of AT&T commercials from the 90's showing what "the future" holds. Is amazing how many things that seemed futuristic are common place today.

http://www.thecarcon...pdate#src=10065


Edited by djminfll, 17 July 2013 - 03:18 PM.

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#44 OFFLINE   HenryVIII

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Posted 17 July 2013 - 02:13 PM

Ha told you acdii!  ;)


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#45 OFFLINE   acdii

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Posted 17 July 2013 - 02:29 PM

<clueless

 

What?


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#46 OFFLINE   Fynack

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Posted 17 July 2013 - 03:03 PM

Wow!!! Holy Cow!!! Ford did something. Unfortunately this only proves guilt. Why else make all theses drastic changes when the MPG is supposedly going to be the same. I see more lawsuits and more ammo for the class action suit. 

 

But I do see all the changes improving MPG so its win for the consumer.


Edited by Fynack, 17 July 2013 - 03:07 PM.


#47 OFFLINE   corncobs

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Posted 17 July 2013 - 03:15 PM

The question I have is:  My car is running great and my lifetime MPG is at 50.3.  If I get the upgrade and my performance goes down, can I get the old software re-installed?  I doubt that will happen because the faster warm up and better cold weather performance can only help but you never know.


That would be my question as well. What happens if now after the update the interstate mileage drops because of the higher EV speed cut off. Causing my trip average to drop.
Then again if it does improve the cold weather FE it might be worth the loss of 2 MPG in the sommer month when we can gain 4-5 MPG in winter and short trips.
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#48 OFFLINE   Fynack

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Posted 17 July 2013 - 03:21 PM

Agreed. Since we have DFSO when we go down a hill at speeds greater than 62 MPH the ICE stays on but the injectors shut off so it isn't consuming fuel. I don't see how increasing the EV threshold will improve MPGs, I fear that this change will actually make highway MPGs worse. But at the same time I feel like we should trust that the Ford engineers know what they're doing.

 

I have to disagree, having a higher threshold for EV ONLY will allow your car to go into EV ONLY at normal highway speeds. Sure, it wont be a lot and the road will have to be flat or slightly downhill but itll get you more MPGs then the current instruction to use ICE+EV at anything above 62 unless your going on a steep hill. Just having the engine shut off for 10 to 15 seconds here and there at 70mph will only gain you mpgs. I dont see it hurting it.

 

 



#49 OFFLINE   hybridbear

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Posted 17 July 2013 - 03:33 PM

Oh, but if you're coasting downhill or on a long decline and get it above 62 (not hard to do),

the engine won't be on and there is a gas savings right there.

See this post

http://fordfusionhyb...e-mpgs/?p=60165

 

Since we have DFSO the ICE stays running but uses no gas already when we're traveling faster than 62 MPH but don't need the power of the ICE


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#50 OFFLINE   Waldo

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Posted 17 July 2013 - 03:39 PM

See this post

http://fordfusionhyb...e-mpgs/?p=60165

 

Since we have DFSO the ICE stays running but uses no gas already when we're traveling faster than 62 MPH but don't need the power of the ICE

 

A spinning engine still creates more friction than one that isn't spinning, regardless of how much fuel is injected.  That's one of the fundamental principles of a hybrid powertrain.  Energy lost by that friction is energy that is no longer available for regen.


Edited by Waldo, 17 July 2013 - 03:41 PM.

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#51 OFFLINE   corncobs

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Posted 17 July 2013 - 03:48 PM

 
A spinning engine still creates more friction than one that isn't spinning, regardless of how much fuel is injected.  That's one of the fundamental principles of a hybrid powertrain.  Energy lost by that friction is energy that is no longer available for regen.


Not sure if I get your logic; what HB is saying is that if you are letting go the throttle at 65 MPH the fuel injection is shut off. At the same time it will charge the HVB since you have an excess of engery especially when down grade assist is enabled on a down hill. On a level road same thing happens the car is slowing down charging the HVB while coasting slowly to a stop.
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#52 OFFLINE   dalesky

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Posted 17 July 2013 - 04:02 PM

Theoretically a software update should or could take an hour or so at most, since the computers will be reprogrammed, with no physical upgrades. When I tune my Mustang here is a sample of what is possible with just a fairly simple flash module:

  • WOT Fuel Adjustment
  • Idle RPM
  • Spark Adjustment
  • Transmission Shift Points
  • Axle Ratio
  • Fuel Injector Size
  • Tire Size - Rev / Mile
  • Air Intake Selection
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I have avoided the dealer so far, and I hope this update will take the 1/2 day or less that I am hearing about. In any event, it's a good thing.


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#53 OFFLINE   dalesky

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Posted 17 July 2013 - 04:04 PM

That would be my question as well. What happens if now after the update the interstate mileage drops because of the higher EV speed cut off. Causing my trip average to drop.
Then again if it does improve the cold weather FE it might be worth the loss of 2 MPG in the sommer month when we can gain 4-5 MPG in winter and short trips.

Hey Hey!  I don't have no stinkin' Winter here to worry about! Let's take it easy about all this Winter stuff. I do make a lot of short trips tho, and since the AC is running a lot more I am getting less MPG, but still it's easy to get over 40 around town at under 60.


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#54 OFFLINE   milleron

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Posted 17 July 2013 - 04:12 PM

 

Agreed. Since we have DFSO when we go down a hill at speeds greater than 62 MPH the ICE stays on but the injectors shut off so it isn't consuming fuel. I don't see how increasing the EV threshold will improve MPGs, I fear that this change will actually make highway MPGs worse. But at the same time I feel like we should trust that the Ford engineers know what they're doing.

 

I have to disagree, having a higher threshold for EV ONLY will allow your car to go into EV ONLY at normal highway speeds. Sure, it wont be a lot and the road will have to be flat or slightly downhill but itll get you more MPGs then the current instruction to use ICE+EV at anything above 62 unless your going on a steep hill. Just having the engine shut off for 10 to 15 seconds here and there at 70mph will only gain you mpgs. I dont see it hurting it.

 

 

 

Au contraire, mon frere.  I have to agree with Hybridbear and disagree with the "disagree-er."  Having the electric motor turn on for "10-15" seconds at those high speeds discharges the HVB very quickly.  When the ICE then turns on again, it has to propel the car AND provide the energy to recharge the HVB.  Hence, you'll see an instantaneous mileage figure of about 20 mpg for a prolonged time after the ICE resumes in these situations rather than continuing on at 42-45 mpg like it was when the HVB was topped off.  I think that this could certainly result in a net decrease in freeway economy.  I think I do a little better when setting the cruise control to 65, so the car doesn't enter EV mode on freeways, than I do with it set around 62.  I can do better still if the freeway's not crowded, I'm not in a hurry, and I can set the cruise at 55.  The point is that in my experience, the most efficient cruising speed on the freeway is just above the EV-mode threshold or 5-10 mph below it.  This new software "update" could have the effect of putting you always in a situation where the EV is cutting in long enough to discharge the HVB followed by a prolonged period of 20 mpg.

I'm skeptical of the wisdom of increasing that cut-off point, ESPECIALLY in moving it UP 23 MPH.  I do have faith in the Ford engineers who brought us this wonderful car, but I am not positive that they've not been forced by corporate to do something that's a band-aid fix for their PR problems.  85 mph in EV just makes absolutely no sense, intuitively speaking.  If it works, I'll take it, but I'll have to be shown.


Edited by milleron, 17 July 2013 - 04:15 PM.

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#55 OFFLINE   corncobs

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Posted 17 July 2013 - 04:36 PM

Hey Hey!  I don't have no stinkin' Winter here to worry about! Let's take it easy about all this Winter stuff. I do make a lot of short trips tho, and since the AC is running a lot more I am getting less MPG, but still it's easy to get over 40 around town at under 60.


Maybe Ford should use the GPS to figure out where the car is located and adjust the software based of the location. ;-)
Wasn't there also a point made about detecting different driving conditions interstate / highway / city and adjusting the parameters on the fly?
Maybe that's confirms what acdii and HB have expierenced where the car behaved slightly different during city driving after a long stretch of highway. Maybe the FFH has something like that and they have made improvements to this feature.
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#56 OFFLINE   Aquineas

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Posted 17 July 2013 - 04:47 PM

The only problem with that is my Dealer uses Enterprise as the Loaner fleet, they have a desk on the showroom floor - and whatever is in the lot is what you get (sometimes).  I pushed it real hard this last time because all they had were older cars that smelled real bad or little econoboxes.  Enterprise actually sent to the local Enterprise parking lot and got me a new Escape. The Dealer just told them to make the rental equal or better, Enterprise had to scramble. 

I also saw the rental rate for my car, $24 @ day for the Escape Dealer price.

 

Regarding gas in the Rental car, that again is an Enterprise policy, not my Dealer's.  Enterprise told me to take my gas issue to the Service Advisor, which I did.

I gave my Rental gas receipts to him and it had to go up a level to get approval.

I was offered Ford Owner Advantage credit on future service or a check to be mailed to me.  I made it easy and just had them put in my FOA account, that way it stayed at the Dealer and I can use it for service charges (I have over $60 in that account now).

I friggin' hate Enterprise; it's like you said, all their stuff is usually old and "used car" feeling.


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#57 OFFLINE   Aquineas

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Posted 17 July 2013 - 04:53 PM

Maybe Ford should use the GPS to figure out where the car is located and adjust the software based of the location. ;-)
Wasn't there also a point made about detecting different driving conditions interstate / highway / city and adjusting the parameters on the fly?
Maybe that's confirms what acdii and HB have expierenced where the car behaved slightly different during city driving after a long stretch of highway. Maybe the FFH has something like that and they have made improvements to this feature.

 Yanno you might be onto something with using the GPS to provide hints on optimal hybrid operation.


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#58 OFFLINE   HenryVIII

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Posted 17 July 2013 - 05:35 PM

<clueless

 

What?

 

I told you not to worry about your mileage and that there will be an update for it eventually back when you were ranting about your blue Fusion


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#59 OFFLINE   hermans

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Posted 17 July 2013 - 06:01 PM

I friggin' hate Enterprise; it's like you said, all their stuff is usually old and "used car" feeling.

Well, not long ago in San Francisco, and from Enterprise I rented a new Impala with 1,500 miles on it.


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#60 OFFLINE   GrySql

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Posted 17 July 2013 - 08:34 PM

Well, not long ago in San Francisco, and from Enterprise I rented a new Impala with 1,500 miles on it.

The smelly part is the cigarette smoke smell in these 'non-smoking' cars. 

The first car they tried to give me was a low mileage '12 Fusion, just in from Las Vegas, not even cleaned - w/bugs, butts and all.

 

I ate smoke for 30 years and currently don't want any more than necessary, thank you.

(Grilling/BBQ smoke is different ;) )


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