6.7 complete engine failure - Ford Powerstroke Diesel Forum
6.7 Motor Problems 6.7 Motor Problems

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Old 12-27-2013, 08:31 PM
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6.7 complete engine failure

Suffered a catastrophic engine failure today. 2011 F250 6.7 diesel with 54,000 miles and bone stock. Truck downshifted and seemed to lose power while pulling a trailer with a skidsteer. No CEL or any indicator lights. Within a few seconds developed an engine knock and then total failure (hole in the oil pan with parts protruding). Only indicator was a low oil pressure warning after the engine had seized.

My question is, are these issues limited to the early versions of the 6.7? I am looking at trading for a new 2014 as I can not be without a vehicle for 2-6 weeks while this gets sorted out. I was not in the market for a new truck because I loved this one! I just don't want to go and spend a bunch of money if these issues have not been resolved.

Thanks!
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Old 12-27-2013, 08:43 PM
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My friend is starting to have serious 6.7 issues and he's at 60k. Not a day goes by that he starts his truck and the engine lights on. Hes been dealing with cracked up pipes which intern melt the hood. Now it's back firing pretty loud and he's 100 percent stock. His is an 11. I read a thing on the new 2015 6.7s and ford changed the injectors and turbo. Now the trucks are coming factory with 435hp.
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Old 12-28-2013, 12:54 AM
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Where'd you hear 435hp from? Diesel Power just said 425hp and 875lb/ft.
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Old 12-28-2013, 08:04 AM
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Id wait for a 2015. new turbo, upgraded fuel system, few trans tweaks, an few more. Got all this info from diesel power write-up.
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Old 12-28-2013, 08:23 AM
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Properly maintained stock engines just don't fail. It always comes back to a maintenance issue or bad tune. We need to know more about your maintenance habits on this truck to get a better base line as to why some are going. Things like type of oil, oil filters, fuel filters, intervals, etc.

Also, was the engine checked recently for its oil level.
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Old 12-28-2013, 12:59 PM
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Your engine failure seems very unfortunate and the occurrence is quite alarming for other 6.7 owners like myself. I will stay tuned and best of luck towards your resolve with this incident.
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Old 12-29-2013, 07:42 PM
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Mobil full synthetic oil since new. Change fuel filter every other oil change. Oil level fine. Just checked coolant additive and have replaced radiator approx 3000 miles ago. Rotate and balance tires every other oil change. Still had the original tires at 54000 miles. Motorcraft fuel additive. Truck was not abused! So apparently they can fail even when the proper maintainence has been done.
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Old 12-29-2013, 07:57 PM
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Yeah correction 425 is the hp number I heard. We had 2 new 6.7s and one was completely fine and a great work truck the other took way too big of a s***. So we traded for the 6.2. Can't tow like the 6.7 but plenty of power. I took care of both trucks as good as you have with yours and one was fine and the other was in and out of the shop 8 times.
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Old 12-30-2013, 08:11 AM
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Quote:
Originally Posted by libertynd View Post
Mobil full synthetic oil since new. Change fuel filter every other oil change. Oil level fine. Just checked coolant additive and have replaced radiator approx 3000 miles ago. Rotate and balance tires every other oil change. Still had the original tires at 54000 miles. Motorcraft fuel additive. Truck was not abused! So apparently they can fail even when the proper maintainence has been done.
Sounds like you really been above and beyond and this thread is scary to read for most 6.7L owners.

How often did you change your oil? Not that changing at the manuals 7500 or some even go 10,000 would make a difference, but I do hear many say that 5,000 is really to be suggested.
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Old 12-30-2013, 08:26 AM
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I use dino oil and change every 4500 miles due to some "light" towing. I change fuel filter's every other oil change due to what I found in one of my past filter's, and air filter every 15K. Drain the water seperator every other fill up and make sure there is no visible damage to the DFCM while I'm at it. Tire's rotated for free every 5k.
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