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Old 06-18-2013, 06:56 PM

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Regen question...

Hey all, new 6.4 owner here! Just a quick question, but does the cleaning cycle have anything to do with how far you are into your tank of fuel or does it matter more on how many miles you have driven. In other words, is it something to worry about if I filled up my tank to full and 5 miles down the road my regen kicked in! Sorry if this is a dumb question, but just making sure everything is good!
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Old 06-18-2013, 07:52 PM
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It should all depend on the reading the sensors in the exhaust give the computer. The main thing is to try as hard as possible to let the regens finish instead of interrupting them. Or to just delete but in some cases that's not possible.
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Old 06-18-2013, 08:26 PM
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Mainly it is soot load in the DPF.
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Old 06-19-2013, 12:44 AM
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The soot collects and remains in your DPF. When it reaches a certain level detected by the sensors, a signal is sent to the PCM, wich opens the injectors ( I believe #7 & 8) igniting them and burning most of the collected soot.
Like mentioned above when you get the "cleaning exhaust filter" message, best thing to do is continue driving until completed.

Now the best of the best would be introducing your DPF to the scrap yard.
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