Exhaust Cleaning
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
Not much information but just some ideas we've thrown around.
https://www.ford-trucks.com/forums/1...high-idle.html
The only time the thought of DEF enters my head is when (A) I am filling up with diesel because I ask myself how anyone can screw this up and put DEF in their fuel tank.
Then (B) is when I need DEF which is also a simple task.
I do try to pay attention to the DPF events but as Rick said, the computer will inform you if it has had too many cancelled regen's so it really is a non-issue.
I suspect when summer gets here, it will be harder to notice DPF events like it was last summer.
Until this winter, I don't remember the tone of the engine changing during a regen last summer like it does currently.
If the truck is running great, just drive it.
If you do a lot of city driving, take it for a highway drive here and there.
Senior User
Joined: Nov 2010
Posts: 466
Likes: 5
I only have approx. 3800 miles on my truck and honestly, I've never seen any kind of message about a regen taking place. Is it possible that the truck has never done a regen in 3800 miles? This is my first ever diesel, so kind of a newbie here.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
The message is very easy to miss.
ruschejj is someone who can discuss the passive vs active regen better than I can since he is almost always connected to a 10k+ lbs trailer on the interstate.
His truck will have less active regen's because EGT's are high enough for passive regen's to clean the DPF.
Posting Guru
Joined: Apr 2004
Posts: 1,399
Likes: 1
From: Corinth, TX
I can help some, too. It's possible that your truck would *never* have an active regen. It's not likely, not at all, but it's possible. It really depends on your driving habits. If you consistently keep exhaust temps high enough to burn off the soot without the need for additional fuel, then you will keep the filter clean without any active regens. The converse to this is that *usually* the behavior that generates high exhaust temps also generates more soot... so even when towing you might need an active regen. I've had two while towing (in 5k miles), and they both happened right after I first got on the interstate from the back roads.
Like everyone else says, you will quickly learn to just dismiss the regen events and keep driving. They really don't affect the driver at all.. but I admit that curiosity does sometimes get the best of me
Like everyone else says, you will quickly learn to just dismiss the regen events and keep driving. They really don't affect the driver at all.. but I admit that curiosity does sometimes get the best of me
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