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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

#461 OFFLINE   kevink

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Posted 20 February 2014 - 06:08 PM

I posted this under a different topic earlier, but I should have posted here. This is really good info that I look forward to using with my dealer.

 

I have a 2013 Ford Fusion Hybrid, and I generally love it. I never expected to get 47MPG - I think everyone knew that wasn't realistic.

From April 2013 until October 2013 (mine was built in March 2013), I was averaging around 39.x MPG overall (according to the car's computer). I commute 110 miles round trip, three days a week, or around 25K miles per year, mostly on the highway at 75 MPH. So I wasn't too unhappy with 39 overall. On some trips home from work (55 miles), I was getting 42 MPG when I drove conservatively on a slower-speed road. Then in October, I accepted the Ford PCM "fix" that changed the algorithm for when EV mode could kick in. After the fix, I saw the engine occasionally switch to EV mode at the higher speeds, so that part seemed to have worked.

 

However, soon after the PCM "fix", my overall gas mileage started to decrease. I have a very consistent driving route and conditions. Each time when I stopped the car, I looked at the mileage for that trip, and the numbers were lower than before the fix was applied. I could no longer get 42 even if I tried. This continued for the next 5 or 6 weeks. I mentioned it to the Ford dealer shop and they said to keep an eye on it. Well, after the weather started getting really cold in November and beyond, the mileage decreased even further, but that always happens with hybrids (and most cars) in the winter. So I couldn't really prove after that what was due to the Ford "fix" and what was due to the cold weather conditions. This has been a particularly cold, harsh winter in Indiana, and now my overall gas mileage is down to 36.9 MPG (according to the car's computer).

 

I am biding my time until warmer weather an more optimal driving conditions return. Then I plan to consistently measure my MPG again and see if it goes back up closer to what it was before the fix. I do plan to go back to the dealer and keep this issue in front of them. They seemed sympathetic, but now that I've learned more here, I plan to ask them to start over on the PCM fix. Is there something I can ask the dealer to specifically check again?  They claim they have EV trained technicians and fixed it right, but I'm not a mechanic and can only press it so far on technical issues.  Thanks for all the good info here.









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#462 OFFLINE   hybridbear

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Posted 20 February 2014 - 07:47 PM

Have you tried a "hard reset"?

Current Vehicles

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2013 Ford Focus Electric - Ice Storm

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#463 OFFLINE   acdii

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Posted 20 February 2014 - 10:34 PM

Right around October is when they switched from summer blend to Benzine around here, so that could be what is impacting your MPG, and just a coincidence with getting the updates.  Mine dropped below 41 around that time too, and was pretty much like yours, around 43 for the most part.  I would wait until the summer blend is back and see what it does after a few tanks.


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#464 OFFLINE   Checkers

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Posted 03 April 2014 - 04:37 AM

I was wondering if anyone here know if the update discussed in this thread applies to Energi's as well? I have not seen EV kick in about 62 using ACC on the highway.

ThanksM

#465 OFFLINE   kuzzi

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Posted 03 April 2014 - 09:21 AM

After having the update for quite a while, the only thing that is not better than it was before was my 75+mph cruising to Dallas. It would stay above 40mpg without the update, now it struggles to get 36mpg on these trips as now it cycles between EV and ICE when I would just prefer it to dedicate the ICE the whole time. This is a killer as it usually takes a whole tank or two. Would be nice to have an "Energi type" switch to change the computer's behavior when going on these trips to say, "hey listen Mr. Car, we got a long trip ahead of us and I'm not too concerned about getting EV miles today since I've seen you can break 40mpg on ICE alone at these speeds. I'm not shooting for a 45+mpg trip so only take power from the ICE when you need to get the AC going or to crank up the music."


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#466 OFFLINE   Fastronaut

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Posted 03 April 2014 - 09:34 AM

I was wondering if anyone here know if the update discussed in this thread applies to Energi's as well? I have not seen EV kick in about 62 using ACC on the highway.

ThanksM

If you have an Energi, you should be able to do EV far above 62.  I believe it's rated to do up to 85 MPH on all electric.


250421.png
 
(HIS) 2014 Fusion Hybrid Titanium - Deep Impact Blue Metallic
  • Driver Assist Package (90A), Voice Activated Navigation (60N)
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Ordered: 10/28/13 | VIN assigned: 10/31/13 | Window Sticker: 11/13/13 | Actual Build Date: 11/21/13 | In-Transit: 11/23/13 | ETA: 12/14/13 | Arrived at CSX Facility: 12/05/13 | Arrived at Dealer: 12/09/13 | Delivered: 12/11/13
 
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(HERS) 2013 Fusion Hybrid Titanium - Ruby Red Metallic Tinted Clearcoat
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Ordered: 11/06/12 | VIN assigned: 2/28/13 | Window Sticker: 3/28/13 | Actual Build Date: 04/06/13 | In-Transit: 4/17/13 | ETA: 5/07/13 | Arrived at CSX Facility: 4/29/13 | Arrived at Dealer: 5/02/13 | Delivered: 5/03/13 | Tagged: 5/06/13 | Major Failure in for Service: 5/13/13 | Lemon Law Replacement Vehicle Received: 6/17/13

#467 OFFLINE   dkegel

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Posted 03 April 2014 - 09:59 AM

If you have an Energi, you should be able to do EV far above 62.  I believe it's rated to do up to 85 MPH on all electric.

After the update.  I am almost positive the 2013 Energi's need the update as well.

 

Dave


Edited by dkegel, 03 April 2014 - 10:00 AM.


#468 OFFLINE   hybridbear

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Posted 03 April 2014 - 10:20 AM

After the update.  I am almost positive the 2013 Energi's need the update as well.

 

Dave

The update never applied to the Energi. The Energi could do 85 MPH with the ICE off from day one. The Energi has a completely different code for how to perform in hybrid mode because the kWh used by the Energi in hybrid mode is different from the kWh used by the hybrid.


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Current Vehicles

2013 Ford Fusion Energi Titanium - White Platinum Metallic

2013 Ford Focus Electric - Ice Storm

315692.png

 

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2013 Ford Fusion Hybrid SE x2

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#469 OFFLINE   jeff_h

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Posted 03 April 2014 - 11:13 AM

The update never applied to the Energi. The Energi could do 85 MPH with the ICE off from day one. The Energi has a completely different code for how to perform in hybrid mode because the kWh used by the Energi in hybrid mode is different from the kWh used by the hybrid.

 

Exactly - mine were built in February 2013 (I think 6 days into the job) and March 2013, both can go above 62 in EV, haven't made it above 85 but hit 75 here and there but don't keep it there since it burns the HVB at a higher rate.


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#470 OFFLINE   dkegel

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Posted 03 April 2014 - 11:27 AM

The update never applied to the Energi. The Energi could do 85 MPH with the ICE off from day one. The Energi has a completely different code for how to perform in hybrid mode because the kWh used by the Energi in hybrid mode is different from the kWh used by the hybrid.

Thanks.  I was apparently misinformed.  Sorry for the confusion.

 

Dave



#471 OFFLINE   Checkers

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Posted 03 April 2014 - 07:14 PM

Thanks everyone.

My car does do EV at higher mph's, but when the main battery is depleted and in hybrid mode only I cannot get the EV to power the vehicle above 60ish, especially with cruise, ACC on. My former car, Kia Optima Hybrid would go EV at highway speeds every 5-7 minutes for about 30 seconds and the ICE would shut off, I have not experienced that at all in my Energi.

#472 OFFLINE   Skydogz

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Posted 07 May 2014 - 08:11 AM

Thanks everyone.
My car does do EV at higher mph's, but when the main battery is depleted and in hybrid mode only I cannot get the EV to power the vehicle above 60ish, especially with cruise, ACC on. My former car, Kia Optima Hybrid would go EV at highway speeds every 5-7 minutes for about 30 seconds and the ICE would shut off, I have not experienced that at all in my Energi.


It never occurred to me but, the software is different and probably is not shared with other manufacturers? In other words an industrial secret!

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#473 OFFLINE   LadyDi

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Posted 20 May 2014 - 08:04 AM

I had the update done to my car and I noticed two things.  First, when I left the dealership after performing the update I fueled up the car.  The car indicated that I now had 678 miles to empty.  I was shocked as I never had that before it was always around 535 to 578 when filling up.  Well I never saw that again.  In fact a few times after that I saw 335 miles to empty.  It is back to 558 but I never saw the six hundreds again.  Also,  the EV+ mode was reset due to the update which I figure would happen, but the EV+ is not working the same way it did after the update.  The EV+ prior to the update would turn on about 2 miles to reach my house, now after the update if it turns on 1/4 mile prior to being in the vicinity I'm lucky.  Also, btw I didn't see any gain on the MPG with the update.  Anyone else see this problem?


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#474 OFFLINE   jeffo65

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Posted 20 May 2014 - 10:12 AM

I had the update done to my car and I noticed two things.  First, when I left the dealership after performing the update I fueled up the car.  The car indicated that I now had 678 miles to empty.  I was shocked as I never had that before it was always around 535 to 578 when filling up.  Well I never saw that again.  In fact a few times after that I saw 335 miles to empty.  It is back to 558 but I never saw the six hundreds again.  Also,  the EV+ mode was reset due to the update which I figure would happen, but the EV+ is not working the same way it did after the update.  The EV+ prior to the update would turn on about 2 miles to reach my house, now after the update if it turns on 1/4 mile prior to being in the vicinity I'm lucky.  Also, btw I didn't see any gain on the MPG with the update.  Anyone else see this problem?

 

Nope.  No issues here.


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#475 OFFLINE   MTGilby

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Posted 03 July 2014 - 11:30 AM

My dealer did this update last week,when they finally put the thrust washers (TSB13-5-24).  I was skeptical last fall when it came out as I have been getting excellent mileage (I put off doing it).  We averaged over 47 mpg all last summer and fall.  The mileage went down over the winter to just over 44 mpg.  After following this thread I am glad they did it and will be hoping for better mileage this winter, as our winters here in MT can be cold and long.

I want to thank everyone on these forums as they helped me purchase this car and have kept me up to date on things to check out.  My dealer is more interested in selling pickups so it is a great help to have people I can trust to get advice from.

Thanks again,

Ken Gilbertson


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#476 OFFLINE   agrantfl

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Posted 29 July 2014 - 11:30 AM

I was also putting off getting the update since I was happy with the 44mpg I was getting.  I should have read this forum sooner because I got the update last month and my mileage has dropped at least 5mpg.  I did a hard reset this weekend but so far it doesn't seem to have changed much.  I'm going to try and pressure my dealer and Ford to load the old PCM software in my car or make changes to the existing software.







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