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Old 12-01-2016, 11:14 AM   #1 (permalink)
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Ford Fiesta 1.0L triple to get cylinder deactivation


Image: Ford/Youtube

Ford just unveiled the next generation Fiesta this week in Germany, and it will apparently have the first implementation of cylinder deactivation in the 3-cyl model:

Quote:
Ford has developed a cylinder deactivation system for the tiny three-cylinder, making it the first time the fuel-saving tech has been applied to a three-pot. Under very light loads, one of the cylinders can be deactivated, then called back into action within 14 milliseconds, according to Ford.


No details on fuel economy gains, or whether it will be offered in North America.

The new Fiesta is supposed to arrive as a 2018 model.

Source: Next-generation Ford Fiesta Debuts, But Doesn't Tell All

FYI, the current 1.0L turbo Fiesta with manual transmission is EPA rated at:

- City: 31 mpg US
- Hwy: 41 mpg
- Combined: 35 mpg

If you look at the 2014-2016 Fiesta triples on Fuelly, it looks like owners are reporting around 37 mpg US.

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Old 12-01-2016, 11:21 AM   #2 (permalink)
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Sure, now they all jump on the fuel efficiency band-wagon. Makes ecomodding seem redundant when you could just go out and buy something that gets much better fuel mileage than you'll ever achieve on your own.
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Old 12-01-2016, 11:27 AM   #3 (permalink)
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Cylinder deactivation on a 3 cylinder? Thats cool but seems odd. I wonder how they deal with balancing and NVH...
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Old 12-01-2016, 11:43 AM   #4 (permalink)
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Quote:
Originally Posted by Stubby79 View Post
Sure, now they all jump on the fuel efficiency band-wagon. Makes ecomodding seem redundant when you could just go out and buy something that gets much better fuel mileage than you'll ever achieve on your own.
Except people aren't really buying the Fiesta 1.0's in North America in any significant amount, if going by the number of owners for 2015/2016 on Fuelly is any indication!
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Old 12-01-2016, 11:53 AM   #5 (permalink)
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I also don't think the Fiesta 1.0L are plentiful in any regard. Trying to find one is not easy even if you did want to buy one.
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Old 12-01-2016, 11:59 AM   #6 (permalink)
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Cars.com says in all of the U.S. ...

Quote:
138 New and Used Ford Fiestas for sale
That's specifying 3-cylinders.

Compare to Mitsubishi Mirage triples...

Quote:
3,714 New and Used Mitsubishi Mirages for sale
What does THAT mean?
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Old 12-01-2016, 12:34 PM   #7 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
Cars.com says in all of the U.S. ...

That's specifying 3-cylinders.

Compare to Mitsubishi Mirage triples...

What does THAT mean?
Ford is doing it for the photo opportunitie.
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Old 12-01-2016, 03:20 PM   #8 (permalink)
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I wonder how Ford managed the vibration -- the 2014 Mirages were paint shakers! Particularly the CVT model in gear when stopped. (They improved it for 2015 and then further for 2017.)

Assuming deactivation only happens when in motion, it shouldn't be too bad. (Says the guy with an 18 year-old Firefly 1.0.)
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Old 12-01-2016, 05:04 PM   #9 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
I wonder how Ford managed the vibration -- the 2014 Mirages were paint shakers! Particularly the CVT model in gear when stopped. (They improved it for 2015 and then further for 2017.)

Assuming deactivation only happens when in motion, it shouldn't be too bad. (Says the guy with an 18 year-old Firefly 1.0.)
Some people pay extra for vibrating seats. Call it a feature.
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Old 12-01-2016, 07:56 PM   #10 (permalink)
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Quote:
Originally Posted by Daox View Post
I also don't think the Fiesta 1.0L are plentiful in any regard. Trying to find one is not easy even if you did want to buy one.
Even trying to find a stick was an adventure. When we purchased mywifes Fiesta I told the sales person I would be interested in seeing a 1L. Months later I got an email stating they had located one I could go look at, in Orlando. Orlando, a 4 hour road trip, needless to say it didn't happen.

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