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I saw a tip from one of the previous threads on regens. Guy said that during a regen...you will notice that when you take your foot off the throttle, you will see the turbo boost gauge go down and then immediately bounce back up to about 10. When not in regen, the boost gauge won't move back up until you put your foot back into the throttle.
The dpf% gauge lags behind a lot, but this tip has been spot on ever since I started looking for it...regardless of speed or highway vs city driving.
active regen (fuel or urea) injection occurs POST turbo - so I doubt there would be an effect in boost....if that were the case when you lift off the throttle during regen the vehicle would not decelerate.
active regen (fuel or urea) injection occurs POST turbo - so I doubt there would be an effect in boost....if that were the case when you lift off the throttle during regen the vehicle would not decelerate.
I have not looked at boost values during the regen to know if they are effected. That said, I thought the Ford system was to inject fuel on the exhaust stroke, for the regen. GM and Ram's system using a 9th and 7th injector respectively directly in the exhaust stream.
With mostly in-town driving and being gentle with the skinny pedal, I've seen two regens in a single tank of fuel (about 400 miles). The DPF% seems to increase 5% every time I start the truck (about 10 miles between restarts).
there is no (dash) indication of a regen - other than some noise. If you suspect youre experiencing a REGEN you can view the Historical MPG (past 30 minutes?) view, which will be in the DUMPER.
It is not possible to have traveled 600 miles without a regen occurrence.
ford's strategy is to regen every 500 miles, needed or NOT...regardless of the % filter full.
below youll see the DPF Filter is only 33% full, and REGEN is ACTIVE...because its been 497.1 miles since last regen.
To the OP - you can use ForScan Lite to monitor regen (activated) status - among other things.
Regen Activated, DPF Filter 33% Full, 497.1 Miles since last Regen
The thing I learned with the cts2 was that the distance between regens is only calculated with completed regens. If you went into regen and only went down to 50% and interrupted it, it didn't count towards the average distance between. It had to end at 0%.
The thing I learned with the cts2 was that the distance between regens is only calculated with completed regens. If you went into regen and only went down to 50% and interrupted it, it didn't count towards the average distance between. It had to end at 0%.
good info, but I rarely drive in a manner that I DONT complete a regen.
The screen shots of my phone were on a VERY lengthy (non stop) 1400 mile (each way) trip...I can assure you EVERY 500 miles triggered a regen.
I discovered on the (non stop) RETURN leg of our trip that cold temperatures (single digits) saw the filter fill MUCH slower...but even at 30% the regen occurred when 500 miles was achieved.
I would have achieved reasonably good mileage (16s at 75-80 mph) if it were not for the REGENs pulling me down to 14mpg
good info, but I rarely drive in a manner that I DONT complete a regen.
The screen shots of my phone were on a VERY lengthy (non stop) 1400 mile (each way) trip...I can assure you EVERY 500 miles triggered a regen.
I discovered on the (non stop) RETURN leg of our trip that cold temperatures (single digits) saw the filter fill MUCH slower...but even at 30% the regen occurred when 500 miles was achieved.
I would have achieved reasonably good mileage (16s at 75-80 mph) if it were not for the REGENs pulling me down to 14mpg
I noticed the hot humid summers fill the dpf quicker than the cold dry air in the winter. Must be an air/fuel ratio that comes into play. More oxygen in the combustion mix in the winter maybe.
I noticed the hot humid summers fill the dpf quicker than the cold dry air in the winter. Must be an air/fuel ratio that comes into play. More oxygen in the combustion mix in the winter maybe.
In monitoring my CTS unit this morning driving to work, my DPF% dropped from 64 to 56, over a 6 mile drive. Speed never above 50, ECT never above 130, EGT1 (at the turbo) only briefly above 500. Outside air temp, 18F. Nothing that would be considered a regen in process, the % just started dropping. This is not the first time I have seen it drop, when the temps did as well. Kind of wish I had a few more miles on the commute.
My avg distance btwn regens is 310 right now. Zero towing lately - all HWY miles. Mine never (never) burns to 0% and always turns off around 20-22%. It’ll kick in at 85-90% and burn for 20-30 miles +/- a few.
The engine load has a-lot to do with it. Towing really helps the pre/post dpf temp to run hotter, which extends the time btwn cycles. I really do hate the emissions systems on new diesels. So...so...so stupid.
My avg distance btwn regens is 310 right now. Zero towing lately - all HWY miles. Mine never (never) burns to 0% and always turns off around 20-22%. It’ll kick in at 85-90% and burn for 20-30 miles +/- a few.
The engine load has a-lot to do with it. Towing really helps the pre/post dpf temp to run hotter, which extends the time btwn cycles. I really do hate the emissions systems on new diesels. So...so...so stupid.
yeah, it’s funny how we are saving the planet by burning more diesel (lower mpg)
Has anyone used Better Diesel FBC? I hear that it is supposed to extend the miles between regents.
Yes, I'm using it. I'm getting ready to start my third bottle of it. My regen interval is longer and the actual regen seems like it's quicker. There's a thread for the additives: https://www.ford-trucks.com/forums/1...-enerburn.html
Sort of a bump to this thread. As of late I've been monitoring my FORSCAN modified gauge for the DPF filter percentage and noticed that I'm not getting above 10% before regens kick in to knock it down to 0 again. I've also noticed regen (engine tone, smell, and fuel mileage) kick in when my DPF has shown at 0% a number of times. I've only really started seeing this over the past few months, with the filter getting to 95-99% like normal prior to that. I seem to recall there's another variable that factors into when a regen starts other than the DPF %.
I'm also wondering if the cold and winter fuel blend is playing a part as well? This is the first winter when I started watching the gauge closely on my commutes. For my driving, it's almost exclusively highway commuting with 45 minutes either way and no trailer towing.
