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Power Strokes
6.7 Tech
Oddball regen interval question
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[QUOTE="kampy, post: 1086469, member: 989"] Any Ford factory techs or programmers that know how this regen system is supposed to work? Mine usually works normally, or at least what I consider normally. It works it’s way up to 100%, goes into regen, heats up the DPF, works its way down to about 23% and shuts off the process. Continues to cook down to about 10-12% then starts the process over again. Same deal I’ve seen on most everything with a DPF since 08. I monitor with a CTS insight and here’s what’s confusing me, sometimes it goes into regen for pretty much no good reason. I’ve seen this happen 3 times, at 10,000 miles with 11% soot load, 12400 miles with 27% soot load, and this weekend at 14700 miles with 35% soot load. It goes into active regen and stays there way after the soot % is at 0. Sometimes as long as 10 miles after it’s already at 0%. Every time its been either towing or with the camper in the bed, always on the interstate with the cruise set between 75-80. I’ve had 2 different dealers look at it and one of them put in a hotline question to an engineer but nobody is willing to offer up an answer. It just kind of irks me to not know why its throwing fuel away for no reason. I’d be content with “we hard coded the emissions strategy to regen every 2500 miles regardless of the soot % to keep it clean” or any reasonable answer, instead of just a stupid look like they don’t understand. The regional engineer said it wasn’t possible then stood there with a stupid look on his face when the dealer showed him the picture of the monitor. Anybody got any good ideas besides delete? In the pic you can see the bottom two spots are DPF status and DPF load, and the little red light on top shows its in an active regen. Thoughts? [/QUOTE]
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Oddball regen interval question
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