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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

My 6.0L broke down, need help!

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Old Mar 21, 2012 | 07:38 AM
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My 6.0L broke down, need help!

I was on my way to work, going about 55mph when I lost power. It idled fine, but when I gave her gas, she would bog down and not go anywhere. When I pulled over, she revved fine, but when I put her in gear, no power... Any ideas??
 
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Old Mar 21, 2012 | 10:39 AM
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Check your charge air boots for leaks, or maybe blown off.
 
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Old Mar 21, 2012 | 11:13 PM
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stopped to take a look at it tonight after work. couldnt find anything loose or broken, and it hasnt thrown any codes. check engine light isnt on, and she starts right up, and idles fine. the fuel filters were changed 4k miles ago. fluid levels are all good. any ideas?
 
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Old Mar 21, 2012 | 11:54 PM
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Moved to the 6.0L Power Stroke Diesel forum.
 
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Old Mar 22, 2012 | 05:05 AM
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Originally Posted by 2008fordguy
stopped to take a look at it tonight after work. couldnt find anything loose or broken, and it hasnt thrown any codes. check engine light isnt on, and she starts right up, and idles fine. the fuel filters were changed 4k miles ago. fluid levels are all good. any ideas?
If you're assuming that there aren't any codes because the light isn't on that isn't correct. You can still have codes and you can still have low fuel pressure with clean or incorrect (non-oem) fuel filters.

FWIW--it's hard to diagnose low/no power problems without having some kind of scanner. You might start with pulling and cleaning the EGR valve. Is it blowing any kind of smoke?

Also check this thread in the tech folder: https://www.ford-trucks.com/forums/9...condition.html
 
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Old Mar 22, 2012 | 08:19 AM
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I used an OBD II scanner, and no she isn't blowing smoke. I guess I'll have to take it in
 
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Old Mar 22, 2012 | 08:35 AM
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could even be a bad fuel pump and it won't set the light
 
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Old Mar 23, 2012 | 05:42 PM
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It ended up being a transfer case actuator. She kicked herself into 4 wheel drive while I was going down the road, so the truck went into limp mode. My Oil temp was 185, my coolant temp was 181. Everything looks great other than my 4x4 issue! The actuator is around 500 bucks, my buddy Is going to get me one at cost. My injectors look ok, but 4 is the weakest, and 5 and 6 aren't much better, so I might have to address that soon. Thanks for your input gentlemen!
 
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Old Mar 23, 2012 | 06:06 PM
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Ouch! $500
 
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Old Mar 23, 2012 | 06:31 PM
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highly bizarre seeing how its supposed to be shift on the fly. why would shifting on the fly put it in limp mode. unless because it shifted without a command, but i didn't think our trucks were quite clever. let us know once you install the parts if that gets you going
 
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