DPF Clog - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 12-20-2010, 05:37 PM Thread Starter
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DPF Clog

i installed a black maxx on my 08, thinking i had programmed for dpf as i do not have a delete pipe yet. after about 2 weeks of running the truck, i noticed egts getting hotter and hotter with boost getting lower and lower. well its gotten to the point where 40mph cruise is 1000 degrees and its making hardly any boost, like zero boost. i uninstalled the programmer, and i get 3 dpf codes- 246c, 2463, 242f. i clear the codes, and it tells me "drive to clean exhaust". after a few minutes, the dash changes and reads "cleaning exhaust filter" but a few minutes later, the check engine light comes on and reads "power restricted". just easing around, temps can easily get over 1200 degrees. what do i need to do? what temps should i be running at while its cleaning? is it still cleaning the dpf during the limited power mode? ive got a dpf delete pipe, but the muffler shop is literally 20min away on the other side of town, and im not sure it will make it there if these temps are unsafe as it is.

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post #2 of 4 Old 01-02-2011, 03:44 PM
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I did the same thing tune it with dpf on and did the same thing but i drove it till it say it was clean but still didn't have the power like before. took it in and ford replaced the filter.

2008 F350 4x4 6.4 Job 3 (kem 345 5in exh K&N cold air)
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post #3 of 4 Old 01-02-2011, 04:08 PM
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Now I am not saying to drive it, but giving temps only.
With a DPF on, my truck towing would blurp into 1400 for a short time then back power down. Never saw power restricted, but the truck started to back down power.
I dont think I would drive it, reason is it will most likely take a long time to clean and a lot of diesel to burn it out.

Troy Simmons
08 F450 4x4
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post #4 of 4 Old 01-03-2011, 07:58 AM
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you are going to have to replace the filter
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