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Junior Member
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23 Posts
Discussion Starter #1
I hava a 2010 f-350 king ranch with the 6.4 in it and i have 4000 miles on and i just notice the truck haveing an off sounding knock to the motor and some smoke but the smoke has only happend 1 or 2 times but when the knocking starts you can feel the truck slow down and you have to push the pedal alot more to make it go what could it be
 

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Member
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52 Posts
Sounds like regeneration to me. The big filter on your exhaust is going through a regen so it can burn off all of the soot that has accumulated inside of it. Horsepower level drops and injector rattle becomes more noticeable.
I agree with you i seen the regen do it and also i had a fuel pressure sensor cause it do make a weird knocking sound.
 

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Spartan Diesel Tech
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969 Posts
you sead it could be The big filter on my exhaust is the sound ok or should i take it in to the dealer
Nothing is wrong with it most likely. You either gotta get use to it or delete it and get a tuner.

If your worried about it, take it in. Probably nothing wrong though.
 
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