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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

Different sound

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Old Apr 29, 2008 | 06:25 PM
  #1  
jmtbiggin's Avatar
jmtbiggin
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From: Timmonsville
Different sound

Does your 6.0 ever run unusually quiet? Not coasting either. Mine has started doing this when I cruise b/t 30-45 mph. Absoluty silent,like a gas engine,none of the usual diesel chatter.Makes normal niose again if add just a touch of throttle. No idiot lights on, truck doesnt smoke peroid, gets b/t 14-18 mpg. Truck is stock.Runs and starts fine.1113000 miles Feels a little lazier than it used to, but that could be in my head.
 
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Old Apr 29, 2008 | 10:10 PM
  #2  
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KING
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From: AZ
Is the A/C on?

Just a thought.

My engine makes a slightly different noise when the A/C is engaged and I let go of the throttle but not necesarily quieter.
 
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Old Apr 30, 2008 | 09:03 AM
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From: Middle Tn.
I think you need to drop a "0" from your mileage?
 
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