6.4 DPF issue.. - Ford Powerstroke Diesel Forum
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  #1  
Old 03-01-2012, 07:17 PM
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6.4 DPF issue..

hey guys. I have only had my 6.4 for a few weeks now and i love it but this dang DPF.... It runs great and seems to have good power(for someone who has never driven a 6.4) but once a day or every second day it says cleaning exhaust filter(CEF) but near what i believe would be the end of the cleaning, the wrench light comes on along with the CEF and stays on till i shut the truck off. Also while it is CEF it kills my boost 5ish psi for short repetative spurts. Some times it says drive to clean exhaust filter.

Now i know i need to delete it but the $funds$ just arent hear yet. So till then is it ok? shut it down asap? or what?
Thanks fellas!

2008 f350 6.4 125,xxx miles bone stock.
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Old 03-02-2012, 11:33 AM
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GO TO FORD do not pass go Do not collect 200 dollars, go directly to ford ha ha any time thart wrench light comes on i would take it in, until you have no more warranty
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Old 03-02-2012, 11:39 AM
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Do you let it finish the cleaningcycle when it comes on? If you do this it will lessen the frequency of regen unless something else is wrong with the truck. Your DPF may also be plugged if the wrench light is coming on.
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Old 03-02-2012, 06:33 PM
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Wrench light will not go off on its own, go to Auto zone and pull the code first. Than , and I know u don't want to here this but after u get an ideal from what the possibilities may be, Bring it to a ford dealer, but at least u will know if what's wrong will b covered under ur 100k warranty, If it's the DPF, get rid of all that, unless u have a lot of warranty left, than get it fixed, been there done that 3 times so far, but at least don't ignore it,
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Old 03-03-2012, 06:42 AM
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Ok well it has 125,xxx miles on it so I don't have a warranty. And I will delete it in a few weeks I just can't do it ASAP... So keep driving and let it finish? Or park it till money comes in?
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Old 03-03-2012, 08:37 PM
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Well, I'll say this my wrench light came on. For 3-4 days ended up being oil cooler, what would of happened if I ignored it,? If you can get the code for what's wrong for free at AutoZone or any where an go from there, and if u don't have the $$ park it b4 it costs u more, but I know u paid a lot for that F-250, so u have the $. All kidding aside get it checked out before you drive it anymore,
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Old 03-03-2012, 10:49 PM
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with that kind of mileage it's possible your DPF is plugged to a point where a normal regen can't effectively clean it anymore. The wrench light will set when the dpf pressure raises too high or doesn't drop after a regen.

If possible find out the DTC and we can go from there
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Old 03-04-2012, 05:47 AM
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Ok guys thanks. I'll pull the code and let y'all know.
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Old 03-04-2012, 05:51 AM
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Also does the wrench light have to be on th get the code?
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Old 03-04-2012, 03:27 PM
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sometimes but not always. it's a crap shoot with the wrench light
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