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When driving from Denver to Lexington for daughters graduation I used ECO the entire trip. S&B 60g tank cruise at 65-70 I was able to make it on one tank. Truck said 25.2 hand calculation came up with 24.9973.
When driving from Denver to Lexington for daughters graduation I used ECO the entire trip. S&B 60g tank cruise at 65-70 I was able to make it on one tank. Truck said 25.2 hand calculation came up with 24.9973.
Ive tried ECO it around town and on the highway, around town its horrible, makes the truck feel sluggish and disconnected. On the highway it takes more pedal for passing gear kickdown. It seems to soften everything, throttle response, shift patterns. I use it on the highway in case there is a benefit but around town i like tow/haul, it really wakes the truck up.
BuckeyeSD - I have no data to support it but ECO seat of the pants feels less efficient delivery of power. My guess is that since the efficiency is less the exhaust would also require more attention via the DEF system
BuckeyeSD - I have no data to support it but ECO seat of the pants feels less efficient delivery of power. My guess is that since the efficiency is less the exhaust would also require more attention via the DEF system
That makes no sense unless it is mfg more nitrous oxides in ECO mode. DEF is added after the DPF to combine with the nitrous oxides to create water and nitrogen.
I drove my truck in Eco mode for the first time today. It felt like I was driving a Prius. I had to switch back to normal after 5 minutes.
Originally Posted by Matt In Detroit
Ive tried ECO it around town and on the highway, around town its horrible, makes the truck feel sluggish and disconnected. On the highway it takes more pedal for passing gear kickdown. It seems to soften everything, throttle response, shift patterns. I use it on the highway in case there is a benefit but around town i like tow/haul, it really wakes the truck up.
That is the effect of driving like a grandma... The ECO mode tries to do it for you, by making the go pedal less direct. Like you would, if you were actually trying to drive economically... Expecting the truck to drive the same way is as in "N" or "T/H" mode a fail, because if it did drive the same, it would not be driving economically...
I have a '22 F-350 SCLB 4X4 Lariat 6.7L 11,400 GVWR 3.55:1 Snowplow/Camper pkg., hidden heavy-duty front receiver hitch, heavy-duty grille guard, Tremor front panel and 275/65R20 Michelin LTX A/T2 set at 80F/78R.
So many factors affect mpg that from day to day I average 18.4 to 19.0 mpg with an uncorrected speedo error of 2 to 3 mph. The 2020 STX version of the same truck that I had, when stock could get 25mpg at 55mph. With similar modifications it dropped to 19mpg if I kept my foot out of it. The '22 before mods couldn't clear 21mpg at 55mph on the same route.
I bought my Superduty trucks to work. If I want high mpg, I would drive my 198k miles Altima. I tow an 11k lbs. RV or haul a full bed of gravel while towing a trailer with a skid-steer loaded. Empty though, I use ECO mode. I need to get my onboard air and Superlift bags installed so at max GVWR I won't be piloting a tail dragger.
Towing those heavy loads is in tow mode, auto engine brake on at 8.8/12.5 mpg respectively. I usually take the slow route when towing and take it easy.
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Like you would, if you were actually trying to drive economically... 
Expecting the truck to drive the same way is as in "N" or "T/H" mode a fail, because if it did drive the same, it would not be driving economically... 
