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Restricted DPF?

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Old Oct 16, 2021 | 12:14 PM
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Restricted DPF?

My friend just got this info about his 6.7L in his Ford 6.7L powered Thor class A Motorhome

what are your thoughts?

”Hello, we have diagnosed your motorhome. The vehicle has a restricted diesel particulate filter, reductant sender has internal failure, and a restricted air filter. This repair will cost $8601.40 for particulate filter, $82.83 for air filter, and $363.13 for fuel filter. Tech also found the alternator field circuit too high, needs the alternator replaced $900.21, plush shop fee $40 and sales tax $699.13, a grand total or $10686.70 out the door cost.l
 
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Old Oct 16, 2021 | 12:24 PM
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I'd say someone has a huge boat payment coming due. I would at least get a second opinion. But you didn't provide what issues your friend was having and what he knows going in so it's hard to know what might be going on.
 
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Old Oct 16, 2021 | 12:35 PM
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I don't see the reductant sender in that pricing, unless its included in that rediculas fuel filter price. Aren't there places that can clean, rather than replace, the DPF filters these days?
 
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Old Oct 16, 2021 | 12:45 PM
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Tha only thing I know is another friend who was driving it noticed the check engine light on. When he mentioned that to the owner they said just ignore it, it’s always on. The owner is notorious for not maintaining any equipment properly.
 
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Old Oct 16, 2021 | 12:49 PM
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Originally Posted by 4wd6.7L
...Aren't there places that can clean, rather than replace, the DPF filters these days?
Yes. But because of the complexity of the way Ford built the system, the DPF and the SCR are a monolithic construction. To service the DPF, the SCR has to be cut off and then re-attached either by welding or a flange installation. Many radiator shops will recondition a DPF, but not many will do a Ford SD DPF. You buy them reconditioned because of that complexity. Or you buy new if you have pockets stuffed full of cash.
 
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Old Oct 16, 2021 | 12:53 PM
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Originally Posted by Flyct
Tha only thing I know is another friend who was driving it noticed the check engine light on. When he mentioned that to the owner they said just ignore it, it’s always on. The owner is notorious for not maintaining any equipment properly.
It's probably a sensor fault. But I don't know that since I'm not there looking at the fault code and looking at the datastream to see what's going on with the system. It doesn't seem that the DPF would be at fault if the truck is being driven without consequence. Many DPF faults will cause the computer to put you on the side of the road.
 
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Old Oct 16, 2021 | 10:52 PM
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Why don’t you do an operator commanded regen or a forscan services regen.

 
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Old Oct 17, 2021 | 07:41 AM
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replace the fuel and air filters yourself.

Do the manual regen,

Then check again.

Reductant is not dpf.
 
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Old Oct 17, 2021 | 02:13 PM
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Still under.emissions warranty??
 
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Old Oct 17, 2021 | 03:27 PM
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Originally Posted by C12H24
Yes. But because of the complexity of the way Ford built the system, the DPF and the SCR are a monolithic construction. To service the DPF, the SCR has to be cut off and then re-attached either by welding or a flange installation. Many radiator shops will recondition a DPF, but not many will do a Ford SD DPF. You buy them reconditioned because of that complexity. Or you buy new if you have pockets stuffed full of cash.
is reconditioned code for gutted and welded back together.
 
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Old Oct 17, 2021 | 03:47 PM
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No. It means it was cut apart, cleaned, and reassembled to function as new. Ford made this difficult for the Super Duty by combining the DPF and the SCR and one unit, euphemistically called "The Rocket" because it does resemble a rocket. I don't know how every manufacturer deals with this but of the ones I am familiar, the DPF and the SCR are not one combined unit. You can remove the DPF for cleaning. There are lots of videos out there showing this process.
 
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