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Old 02-27-2013, 10:11 PM
Kings of Green LLC Kings of Green LLC is offline
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f350 diesel running sluggish

Im new to diesel' s so not sure where to start with trouble shooting. I have a 2001 f350 1ton with a 7.3 and the last few weeks it has been running very sluggish.I use fuel treatment for cold weather. It has a five speed manual and I rarely get out of fourth gear. Any ideas on what's going on? Thanks
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Old 02-27-2013, 10:24 PM
290 290 is offline
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Head over to http://www.ford-trucks.com/ and post your question there. Not saying nobody here can help you but its kind of what they do over there.
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Old 02-28-2013, 09:17 AM
jones68 jones68 is offline
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when was the last time you changed your fuel filter? hopefully just a clogged filter a cheap and easy fix
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Old 02-28-2013, 10:36 AM
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Landrus2 Landrus2 is offline
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Clean oil is a must on these engines the fuel system is driven by oil dirty oil slow injector.
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Old 02-28-2013, 10:48 AM
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Sprinkler Buddy Sprinkler Buddy is offline
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Quote:
Originally Posted by jones68 View Post
when was the last time you changed your fuel filter? hopefully just a clogged filter a cheap and easy fix
This is often the culprit, defiantly do this first.
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Old 02-28-2013, 11:16 AM
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KrayzKajun KrayzKajun is online now
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Change all your filters.
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Old 02-28-2013, 11:39 AM
Oldtimer Oldtimer is offline
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Don't use cheap filters. Pay the price & get OEM filters.

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  #8  
Old 02-28-2013, 11:42 AM
nickslawnltd nickslawnltd is offline
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Filters and oil first its the easiest and least costly. Is it running rough and low on power? If so it could possibly be an injector. You can always get a shop or a buddy if you have one that has a fancy scanner and they can do a buzz test on the injectors to see if one is getting weak or shot all together
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2001 f350 diesel dually
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Old 02-28-2013, 08:06 PM
blazemaeko blazemaeko is offline
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If not fuel filter, they are known to have injector plugs to come loose. The newer motors have a problem with o-rings leaking with the HPOP.
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Old 03-01-2013, 10:15 AM
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Valk Valk is offline
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How many miles? Turbo gone bad?

My '96 turbo Eclipse had a bad electric idle motor that controlled a butterfly (choke??) in the intake. Talk about sluggish - it misbehaved at all speeds turning my sportscar into a non-turbo-spooling turd. Just before I got it fixed a young lady on her cellphone ran a redlight and t-boned/totaled it.
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