'2017 Ford 6.7L diesel issues that I should be on the watch for? - Diesel Forum - TheDieselStop.com
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post #1 of 9 (permalink) Old 10-30-2018, 01:35 PM Thread Starter
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'2017 Ford 6.7L diesel issues that I should be on the watch for?

I've had diesels my whole life. Very first truck was a 87 F-250 with the 6.9 non turbo, next was a 94 crew cab 7.3, next was a 96 crew cab manual crew cab 4x4, then a 2004 6.0 (which was one of the best trucks I've ever owned.) And now I currently have a 17 crew cab with the 6.7.

My question is: what should I look out for? All my previous trucks I knew what to look for and I've gone through the engines and trans from top to bottom on a couple of them. But this thing is totally new to me. And I can't find anything anywhere where ppl talk about specific issues. I've seen a post here and there about random crap that goes wrong. But I'm looking for what is for sure going to go wrong, or has at least a higher percentage chance of going wrong. Help?
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post #2 of 9 (permalink) Old 11-01-2018, 05:01 PM
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Here's to hoping that you don't get any solid pitfalls with our trucks!! So far, mine has been great aside from some phone/ipod interface issues.

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post #3 of 9 (permalink) Old 11-01-2018, 07:53 PM
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Originally Posted by Ucald4amarine View Post
My question is: what should I look out for? All my previous trucks I knew what to look for and I've gone through the engines and trans from top to bottom on a couple of them. But this thing is totally new to me. And I can't find anything anywhere where ppl talk about specific issues. I've seen a post here and there about random crap that goes wrong. But I'm looking for what is for sure going to go wrong, or has at least a higher percentage chance of going wrong. Help?

There is good reason for that. As a Ford dealer technician for the last 30 years for once I can say with regard to the F-Series trucks Ford has finally gotten their heads out of their asses and worked on their product over the last several years. Specifically, your 2017 Super duty is the one of the best vehicles Ford has produced in a the modern era. The second generation 6.7L Power Stroke is stout and we are seeing fewer quality related issues than we have in a long time. Same for the transmission as the Torqshift 6 is a strong, reliable unit with most of the quirks worked out by now. It is too early to say there are any noteworthy pattern failures to be aware of so time will tell. The Super Duty truck has been fairly solid for years now... yes, the emissions controls are complex and have issues related to continued growing pains as the aftertreatment systems continue to evolve... to be honest I see more customer induced problems now than product issues at this point. I would be more worried about someone like you trying to "go though" this truck if ever needed. They are complex and require a good understanding of electronics, networking and the various subsystems not to mention the necessary diagnostic equipment and resources needed to diagnose your truck. There is a good reason good technicians to work on them are scarce, this shyt ain't easy!


Relax and enjoy your truck!




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post #4 of 9 (permalink) Old 11-01-2018, 08:30 PM
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Listen to your doctor. He knows what he is talking about. It is good though to hear this kind of thing. After my 2011 died with only 78K on it, I really had to work hard to convince myself to get another 6.7L. But I have been watching the boards and watching the reports. And it does look to be the best of the big three. While I am still a bit devastated by my '11, I am thoroughly enjoying my new truck. Well, not so much after the first payment (of many). Yikes!!

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post #5 of 9 (permalink) Old 11-02-2018, 01:09 AM Thread Starter
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That's good to hear. I will admit I am a little sad that gone are the days when I could work on my own vehicle. It was one of my greatest joys to be able to fix my own vehicle. Or, more often then not,. Fix a family members or friends vehicle. But, as long as I can continue to be the one that everyone looks to for a tow, I guess it can't be all bad.
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post #6 of 9 (permalink) Old 11-02-2018, 05:43 AM
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But I did not say they are perfect... the random issues are always going to exist on any vehicle line. The 2017 and newer trucks are still new and patterns have yet to be established. Lets hope they are indeed few. After sleeping on my earlier post I realize I would be remiss if I didn't mention upper oil pan leaks which at this point in time is the only thing that stands out in my mind. Another tech might have different experiences. It's too bad more do not participate in public forums.


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That's good to hear. I will admit I am a little sad that gone are the days when I could work on my own vehicle. It was one of my greatest joys to be able to fix my own vehicle. Or, more often then not,. Fix a family members or friends vehicle. But, as long as I can continue to be the one that everyone looks to for a tow, I guess it can't be all bad.

Oh but there are still a lot of basic things you can still do that has not really changed much like brakes and general chassis work, servicing, and so on. I would say anything electrical short of changing a bulb for example is what has become complex. There are very few electrical things now that don't involve a module somewhere in their operation. In fact, that would make a fun trivia question: "What electrical systems or components DO NOT involve a module to operate on a late model Super Duty?" Have fun with that.


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Last edited by ford_doctor; 11-02-2018 at 05:49 AM.
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post #7 of 9 (permalink) Old 11-08-2018, 12:50 AM
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I would say the glove box light. I would be right since they did away with the glove box light it certainly does not involve a module....
My guess is that there isn't anything built as factory equipment. The accessories via upfitter may be outside of module control.

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post #8 of 9 (permalink) Old 11-08-2018, 12:45 PM
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I would say the glove box light. I would be right since they did away with the glove box light it certainly does not involve a module.....

Sorry, it does. The glove box lamp is one of the on demand lights that is monitored and powered by the BCM and the power is controlled by the BCM and the battery saver relay.





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My guess is that there isn't anything built as factory equipment. The accessories via upfitter may be outside of module control.

Oh you unwittingly stumbled onto the one thing that is NOT module controlled. The upfitter switches and relays do not involve a module.


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post #9 of 9 (permalink) Old 11-16-2018, 02:59 PM
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The fact that the up-fitter switches are not really surprises me. I would have expected those to be monitored, basically as you described for the battery saver. Thanks for the interesting knowledge tidbit

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  Diesel Forum - TheDieselStop.com > 2017 & up Ford Super Duties > 2017 and up 6.7L Engine and Drivetrain

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