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I know. My def sending unit is wacky, its hit the 500 mile warning and I could only get 1 jug in before it overflowed, expecting to put closer to 2 jugs in.
I just recently started using Forscan to monitor my truck and I took a trip to Home Depot which is about 30 miles away. I can't remember what soot percentage I was at, but it was high and I fully expected a regen. However, it never happened and the soot percentage got down to almost nothing by the time I got to Home Depot. I don't remember what EGT temps were. That was my first experience with a passive regen and I was not towing. Also, I have seen active regens when towing my 5er.
I just recently started using Forscan to monitor my truck and I took a trip to Home Depot which is about 30 miles away. I can't remember what soot percentage I was at, but it was high and I fully expected a regen. However, it never happened and the soot percentage got down to almost nothing by the time I got to Home Depot. I don't remember what EGT temps were. That was my first experience with a passive regen and I was not towing. Also, I have seen active regens when towing my 5er.
My experience with passive regen has been in winter only, hauling. Even then it would just go down a few points, passive regen for me was mainly not adding to the gpl's.
Just did a big trip, 2400 miles/4 days IL-TX-IL. Ran the FORScan Lite app on my iPhone and using a WiFi adapter to connect the truck to it. Monitoring my EGT's on way down there, I noticed that my unloaded EGT's were all running under 600F on the drive down. My Regens were happening around every 500 miles or so. Pretty normal.
On the drive back, pulling a 6 x 12 UHaul trailer that was loaded up, but not excessively full, my EGT's ran in the high 600's to low 700's. Now it has been my understanding from reading other threads here on the forum, that with those EGT's I should have had enough passive regen happening to either minimize or not have Regen's at all. Instead, I was having Active Regen's happen and happen more often than when unloaded. At between 350-400 miles.
So, my question is, at what EGT's do the passive Regen occur at? Because, it sure isn't just above 600F as I've read in other post's!
When using FORScan Lite app to monitor the truck computer data, you need a means of connecting your smart phone, tablet or laptop to the truck. You can use either a WiFi adapter or a blue tooth adapter.