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Old 09-19-2007, 06:42 PM
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Thumbs down Engine Running Rough

I have a 1995 f350 PSD and coming home from work one day the truck started running rough. Every once in a while. I does not do this all the time. Some times it runs smooth and then it will go to rough idle. The sound that it is making sounds as if I am getting blow by. But it does not do it all the time. It will run smooth for 10 - 15 seconds and then rough idle.. And again it sounds as if it is blowing by. I also noticed that at the time the engine starts to run rough I can see a puff of smoke near the turbo.
Does anyone have any Ideas? I am stumped because it does not keep up the rough running it is totally intermiten. But I can not drive it cause it shakes like hell. Please Help this is my daily driver...
I have replaced the fuel filter. I also have been burning BIO in it for nearly 50000 miles.

thanks

Krashkors
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Old 09-19-2007, 06:44 PM
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I will move your post to the engine 911 section as the tech members will see it and get you moving in the right direction
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Old 09-19-2007, 07:22 PM
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Have you checked your oil?
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Old 09-20-2007, 09:32 AM
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YUP CHECKED OIL

Ya I have checked the oil and it is full and very clean as I just changed it 2000 miles ago.

Krash
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Old 09-20-2007, 10:14 AM
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does the check engine light come on during this concern
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Old 09-20-2007, 10:41 AM
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No the check engine lite is not on.

I have checked for codes using my Edge Programmer and there is no codes. Just a rough running engine.

Krash
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Old 09-20-2007, 10:49 AM
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Quote:
Originally Posted by krashkors View Post
No the check engine lite is not on.

I have checked for codes using my Edge Programmer and there is no codes. Just a rough running engine.

Krash
hopefully that means al wiring is good to injectors , i would run a fuel pressure test at this point
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Old 09-25-2007, 08:24 AM
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I have spoken to a few mechanics since my last post it seems to be pointing at a sticking valve. This would explane the intermitten running.

That being said. Is repairing a sticky valve a large ordeal? And should it be costly?

Thanks again.

Krash
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