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3.5 EcoBoost Coking Issue

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Old May 22, 2017 | 09:54 AM
  #16  
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I haven't seen it come up as an issue either. Adding induction cleaning to the list of maintenance isn't so bad considering the engine oil can last 10k if you are finding come buildup. Frankly that sounds like you've already got the solution and just don't like it. You can probably buy the same product yourself and run it through at a fraction of the cost the dealer offers it for. I love old machines and how you can get them running after years of use, and then dormancy, but it's simply the the nature of the modern powerplants. I doubt anyone will get excited about barn finds in the future.

FWIW I see plenty of customers and folks on the forum with nearly and over 200k with nothing but oil changes. What we won't know for awhile is will the ones that only get 5000 gentle miles a year make it for the long haul. Frankly that's neither Fords, nor the EPAs intent for the lifespan of modern vehicles.
 
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Old May 22, 2017 | 11:20 AM
  #17  
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Originally Posted by Frantz
I haven't seen it come up as an issue either. Adding induction cleaning to the list of maintenance isn't so bad considering the engine oil can last 10k if you are finding come buildup. Frankly that sounds like you've already got the solution and just don't like it. You can probably buy the same product yourself and run it through at a fraction of the cost the dealer offers it for.
And you may end up adding routine turbocharger replacement to the maintenance schedule if you do that. Ford has specifically cautioned against the use of chemical induction cleaners. From the article I posted earlier in this thread:

We talked with an automotive expert who confirmed what the video explains: Forced-induction chemicals cause a reaction that increases the temperature around the turbochargers leading to premature failure. A single turbo can cost thousands to replace.
 
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Old May 22, 2017 | 05:03 PM
  #18  
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I'm not doubting the possibility, and Ford isn't my best source on things, but call me crazy and saying that I don't really trust the internet for all my fact finding. Why would the Ecoboost be special in this, considering Ecoboost isn't even all the same family of motors (video in example is a 2.0 Explorer...), it's just a sticker Ford puts on it's turbos..... The article seems to imply it's a problem mostly with improper application (since they signal that out). Also phrases like "don't recommend" is significantly different than "recommend not to use", so the article is written with a bias. Again, not saying it's competently wrong, but I can't use it as anything more than a story to look into.
 
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Old May 23, 2017 | 05:42 AM
  #19  
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Originally Posted by Tom
Nope, nope, nope! I wouldn't let that stuff anywhere near my engine, and I wouldn't recommend you do it either.

https://www.google.com/search?q=ford...hrome&ie=UTF-8
My neighbor let a hack do this on his 2012 truck and ended up with a new cat and who know's what other issues. He sold the truck because he lost confidence in it.

I'm approaching 75K miles on mine and she's performing as she should.
 
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Old May 24, 2017 | 02:40 PM
  #20  
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I don't think that the issue is carbon buildup at 21k miles. I am sure it has an issue but not carbon buildup
 
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Old May 26, 2017 | 01:11 PM
  #21  
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OP...

FORD isn't going to do anything...other than clean the valves. It is an ADDED item of service for a GDI engine.

OBTW: This is not a FORD issue, but a GDI issue affecting all Manufacturers that use the technology.

As already mentioned...FORD is addressing the issue in the 3.5L Gen 2 2017 motor. Logically, FORD should be doing this to all the Eco line engine in the near future.

For an immediate cure to your issue...try this:



--- OR ----




Owners with GDI engines must be proactive in the cure. Good luck.



biz
 
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Old May 26, 2017 | 01:44 PM
  #22  
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Originally Posted by biz4two
OP...

FORD isn't going to do anything...other than clean the valves. It is an ADDED item of service for a GDI engine.
I disagree. Unless something has changed, there is no Ford-approved method of cleaning the valves. If valve buildup causes an issue, the approved fix is to replace the offending head, which would be covered under warranty.

If this is a valve buildup issue, it would be the first one I've ever heard about on a 3.5L EB.
 
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