Is Eco Mode worth it?

[Antwc]

I have the eco with fx4. Does eco mode really make a difference? I have the cable to enable with forscan but just want to make sure it’s worth it. Thanks

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[Kwanzaa]

i haven't noticed any difference personally compared to 'normal' driving mode and driving conservatively.

 

[RR - All the way]

Looks like you could be the test subject. Record your mileage for 1K miles and then install the eco mode and compare the next 1K miles??? What I guess I am saying is that it is really only possible to answer your question by someone with fX4 who has done it. Not sure how many have done it. Anyone who has done it and noticed any difference???

 

[CSmith]

I have it on my FX4 but I drive like a granny anyway so, based on what it is supposed to do, I don't think it will make a difference for me.

My son was with me when I turned on Eco and Sport modes. He was impressed with Sport mode and said he doubts he would ever use a different mode. I'm gonna disable Sport mode...

 

[Finnster]

Have you noticed any difference in engine RPM between eco and normal mode, while at a steady cruise speed of 65 to 70 MPH?

 

[PlantMan]

My opinion is that eco mode in my EB AWD makes the gas pedal less responsive (i.e. you need to push it down further for the same result) and shift points are at lower rpms. Probably helps if you normally drive with a lead foot and make quick starts from stop signs and lights. If you drive easy like me, it probably doesn't make any difference.

 

[Antwc]

Ok well I will give it a try. Thanks

 

[Joseaoe1]

I do not know where you can find the data but I would expect somewhere there should be good estimates of eco impact on gas mileage. Perhaps Ford has it because why else program the mode if there is no benefit? I have been using eco the last two months but I do not have data to compare similar driving during the same winter weather in 2021 since I bought the vehicle at the end of DEC 2021.
Eco mode forces the truck to respond in a much, much, more lethargic way so I hope the benefit is worth it. I have been averaging about 26 MPG in 4K EB over recent months, NOV-DEC, 50/50 city/highway. Last year in JAN-FEB, I was hitting lows of 23 MPG overall in normal mode in our Northeast WI weather (cold trust me). So maybe a 2 MPG improvement wild @$$ guess since NOV-DEC is significantly warmer on average. If I don't stay above 25 MPG in JAN I am going to switch back to Normal mode because less that a 2 MPG improvement isn't worth the lethargic throttle response of Eco.
Sport is significantly faster throttle response and pick-up. I assume there has to be an appreciable decrease in MPG to match/provide so I rarely use sport... fun if you don't care about MPG.

 

[rlhdweman]

I don't have the FX4, but in eco mode the main difference is lazier throttle response, rpms at highway speed are no different, when going up hills, (not steep ones) it will allow the vehicle to drop one mile per hour & picks it up at the top, I also have a 1 mile long hill that I go up with the cruise set at 40, in normal mode it will downshift once, in eco mode it will not, keeping rpms down. I'm guessing that it's only one mpg at best. Currently my mpg average for the last 4600 miles has been 30.8 on the meter, my particular one reads only .7 high compared to hand calculating. Is it worth it, maybe unless you have to give up another mode that you like to enable it. I use eco whenever I remember to engage it, but not in town or heavy traffic.

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