Restricted DPF?
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FTE Community Team
Joined: Mar 2017
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From: Florida
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
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
Posting Guru
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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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FTE Community Team
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From: Florida
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.
Posting Guru
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Posting Guru
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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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From: Frederick, MD
replace the fuel and air filters yourself.
Do the manual regen,
Then check again.
Reductant is not dpf.
Do the manual regen,
Then check again.
Reductant is not dpf.
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Tuned
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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.
Posting Guru
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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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