Shuddering and black smoke?? - Ford Powerstroke Diesel Forum
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Old 10-04-2013, 08:27 AM
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Shuddering and black smoke??

Bought a 05 F250 few months back and just now really have had the chance to drive it.

While going down the highway in OD I will go up a slight rise that requires a bit more power to maintain speed. The truck will start missing and spitting black smoke, the boost pressure also follows the smoke clouds.

My 2 lines of thinking are either its the transmission being a pain and trying to down shift but not completing the shift (if I step on it and force the shift the miss goes away)

Or there some sort of problems around 2k rpm... any ideas or what I should check? thanks
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Old 10-11-2013, 10:09 AM
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anyone?

i have same issue
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Old 10-11-2013, 10:23 AM
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High pressure oil pump not allowing engine to rise in rpm therefore creating the bog.
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Old 10-11-2013, 10:38 AM
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I was affraid of that but checking it looks to be a pain
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Old 10-11-2013, 10:41 AM
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Originally Posted by mdiesel View Post
I was affraid of that but checking it looks to be a pain
What ICP pressure are you getting at idle?
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Old 10-11-2013, 11:48 AM
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650 to 700
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Old 10-11-2013, 12:08 PM
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Yours may just be beginning to fail.
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Old 10-11-2013, 05:16 PM
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More than likely it is an injector or 2 on the way out. However, without data from your monitor it could be a number of things. What is your turbo doing? What is your EBP? The RPM, ICP and IPR under load when the problem is occurring is needed as well. How about the FICM voltage?
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