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2015 Dieseling Issue

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Old Oct 31, 2015 | 11:02 AM
  #1  
sbolejack's Avatar
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2015 Dieseling Issue

New to the forum and new to the diesel trucks. Purchased a 2015 with the 6.7 Powerstroke and it has issues of 'Dieseling' while running down the road. Has done it from day one and the local dealership doesn't have an answer as to why it does it.

Anyone else having this issue and has anyone heard of a fix?

Thanks
 
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Old Oct 31, 2015 | 11:15 AM
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Isn't it supposed to "diesel"? Not sure I understand the issue. How will it run down the road without "dieseling"? LOL

"Dieseling" in a gas engine is when the engine continues to run without spark after you turn the key off. Usually caused by overheating.
 
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Old Oct 31, 2015 | 11:17 AM
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A little more detail....

It act's just like a gasoline engine would when you shut it off and it continues to run(dieseling) but does this at different speeds from town to highway. Just starts loosing power & chugging (dieseling like a gas engine would) for about a minute and then will stop. Seems to be getting more frequent.

Hope that helps...
 
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Old Oct 31, 2015 | 11:19 AM
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Losing power is a different issue. I'd find a different dealer that has better diesel experience to look at it. Definitely under warrantee, right?
 
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Old Oct 31, 2015 | 03:04 PM
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Yeah, drive to the dealer. But loosing power like that [to me] says it is having problems with fuel delivery.
 
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Old Nov 1, 2015 | 09:27 AM
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Well if it continues to run after shutting off and there is nothing wrong with the ignition I would lean towards it sucking air somewhere else than the intake perhaps a line has a pin hole or a slight crack enough to allow air in.
 
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Old Nov 1, 2015 | 10:26 AM
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Originally Posted by airm4n
Well if it continues to run after shutting off and there is nothing wrong with the ignition I would lean towards it sucking air somewhere else than the intake perhaps a line has a pin hole or a slight crack enough to allow air in.
What ignition? It's a diesel engine.
 
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Old Nov 1, 2015 | 09:25 PM
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Originally Posted by redford
What ignition? It's a diesel engine.
The switch where you put your key in I meant. I've had older trucks where the switch was bad and wouldn't shut off when you turned it. Also didn't start well either.
 
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Old Nov 2, 2015 | 02:59 AM
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Ah, run-on on a diesel means fuel (oil) is getting into the cylinders (or cylinder) somehow, and running on it. Either you have a leaking fuel injector, your piston rings are destroyed or a turbo seal is leaking oil into the intake.
 
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Old Nov 2, 2015 | 03:00 AM
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Originally Posted by sbolejack
A little more detail....

It act's just like a gasoline engine would when you shut it off and it continues to run(dieseling) but does this at different speeds from town to highway. Just starts loosing power & chugging (dieseling like a gas engine would) for about a minute and then will stop. Seems to be getting more frequent.

Hope that helps...
On second thought, you didn't happen to get def-blue in the fuel, did you?
 
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Old Nov 2, 2015 | 04:41 AM
  #11  
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If it's happening during a regen, you have a known problem.
Ford is saying it's a software problem.
 
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