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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Knocking, rough and dieseling when acceleration

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Old Oct 14, 2023 | 02:13 PM
  #1  
Klecocq's Avatar
Klecocq
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Knocking, rough and dieseling when acceleration

Started about 3 weeks ago only once now can cause it more often by hard acceleration. Knocking, power loss and rough when acceleration. Drives and idles smooth if not accelerating and can power thru knocking and power loss to get full power and speed. Will go away most times in 10-15 min normaol driving. Louder ticking noise on top of engine when situation comes up at idle. Does not happen every time. 2009 f250 310,000 miles maintenance kept up.
 

Last edited by Klecocq; Oct 14, 2023 at 02:23 PM.
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Old Oct 18, 2023 | 08:39 PM
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DieselDenny's Avatar
DieselDenny
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From: East Tawas, MI
Check out my post above about my lift pump.

Scan your truck. Any wrench light on?


Denny
 
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