cdexcavation
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- Mar 19, 2017
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Never posted on this before used it a lot for advice but here goes I have a 2005 f-550 6.0 dump truck with around 73,000 mi I have discovered when I get to a cruise speed with the engine under 2000 rpm the truck will quite down and start to smoke a little than looses a little power when I put my foot into it throws some black smoke than clears up and runs fine and goes away I checked my fuel filters all fine I pulled the egr valve out and cleaned it and didn't help any suggestions on what I should test next I was thinking I mite unplug the egr valve and try driving if and seeing if it's not working
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