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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Faint knocking noise?????

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Old Mar 9, 2010 | 06:42 PM
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jasontaylor
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Faint knocking noise?????

I have a 06 f350 6.0 with 107k miles. I recently drove 200 miles on clogged fuel filters (wish I would have had spares) really didnt have choice, it was a sunday trip to the mountains there are no autopart stores open sundays in the hills. Anyway, I changed the filters then my check engine light came on a week later and the dealer said it was the injector mod so $1000 later the truck runs great but I hear a very faint knocking noise coming from the motor. Its definitely more frequent while pulling a load, but is still there when I'm empty. I did notice the noise before the injector mod went. The noise is so faint you could not realize its there, but I'm **** with the truck and its driving me crazy. Any suggestions?
 
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Old Mar 9, 2010 | 06:49 PM
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all diesel knock some. itsa compression based engine. with out hearing the truck its really hard to give any sound advise. most knocks are caused by fuel pressure or quality, lower end knocks like failing rods and mains anr not common,
also seen a few broken flex plates but they tend to make a big racket.
 
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Old Mar 9, 2010 | 07:01 PM
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I'm still using the same batch of fuel that clogged my filters. I will try some fresh fuel and hopefully the noise will go away. Thanks
 
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Old Mar 9, 2010 | 08:37 PM
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Originally Posted by jasontaylor
I'm still using the same batch of fuel that clogged my filters. I will try some fresh fuel and hopefully the noise will go away. Thanks
Dude are you serious?
 
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Old Mar 10, 2010 | 08:18 AM
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g tinsley
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whine

Originally Posted by cheezit
all diesel knock some. itsa compression based engine. with out hearing the truck its really hard to give any sound advise. most knocks are caused by fuel pressure or quality, lower end knocks like failing rods and mains anr not common,
also seen a few broken flex plates but they tend to make a big racket.
cheezit you recently replied to me sbout a bedplate repair and it is now bone dry.I have a whine for a short time only when cold then it goes away.what is your idea.thanks for your reply
 
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