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ALL 6.7L engines will do a Passive Regen if conditions are met. Mainly your exhaust temp in the DPF must exceed 572°F Of course the hotter the exhaust temps the more efficient the Passive Regen.
23 and newer engines, especially the HO, run hotter and produce hotter Exhaust Gas which does a lot of Passive Regens. But the 23 and newer truck do Active Regen every 497 miles. Regardless of what percentage the DPF shows, My trucks kicks into active regen at 497 miles even when it only showing 10-15% DPF. And I rarely see my DPF get higher than 30%. I would venture the 23+ trucks have a more efficient passive regen.
Yes your fuel mileage will drop a little during active regen. Friday I had 45 miles on a new tank of fuel, my trip was reading 20.0 mpg average. Active Regen started, my fuel instant fuel mileage dropped to 14-15 mpg and when the regen was done, 10 miles later, My trip was showing 18.6 mpg average. Luckily it only last for 10 miles and I don't see it again for 500 miles.
Here is my Edge CTS, You can see bottom left corner is my distance from last active regen (497) and bottom right is distance from last regen (499 miles ) since it was two miles into this regen before I snapped the photo.
You can see here my typical Exhaust Filter % at 30% when truck usually goes into Active Regen
Curious what the right side of your dash display is showing, where it says PSI? Which model CTS do you have?
Sorry if this has been covered but... I have a 2023 F350 6.7 XL. It has a little over 18K miles on it and I have never been aware of it performing a regen. The DEF usage seems normal and when I check the DPF % it looks good (goes up and down). I keep reading about folks using the Banks monitor to see the regen status or using Forscan (sp?) to enable a check box to control the auto-regen. My last big truck was a 2019 Cascadia and it was very obvious when it was performing a regen lol. What am I missing here with my F350? Hell, if it is taking care of business without me even noticing then that's great... right? Maybe since it's an XL with the simplified dash I might not be seeing something?
Once you get used to your truck, you'll notice once the regen kicks in that it will idle just a tad bit higher at a stop. I haven't notied the MPG monitor changing tho.
Curious what the right side of your dash display is showing, where it says PSI? Which model CTS do you have?
That is the TPMS monitor for the trailer tires. The gauge is on all newer fords. Just add the TPMS sensors in the trailer wheels and pllug it in.
White numbers are the tire pressure
Blue number are the tire temps.
