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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 01-22-2008, 05:43 PM   #1 (permalink)
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Low power, no turbo boost?

I have a 2003 6.0 192k miles it just started acting anemic. Take off from a stop, jumps right out until about 20 mph then crawls to accelerate up to highway speeds. No hitches, bumps, stalls, shakes, just a real smooth slow acceleration, no smoke, no weird sounds. Once up to 65 mph on level pavement it moves along ok but if you want to accelerate it picks up speed slowly. Trans is working fine. I've been reading about what's been said about driving it hard and the last half year I've been driving it slower around 55-60 mph on the highway. Just went up in the Socal mtns last week up to 7000 ft. no problem but it just didn't want to pick up speed very quickly. Anybody have a problem similar to this, I searched but couldn't find anything just the same. If anybody did it always seemed they were blowing white or black smoke and I'm not blowing any smoke. Ideas?
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Old 01-22-2008, 05:51 PM   #2 (permalink)
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I have an 03 and had a seemilar problem. water separater light stayed on. Dealer replaced the EGR valve. According to the Ford dealer water in the fuel, caused the Valve to get moisture and trash and Corrode a bit. That seemed to fix it. May want to check that first.
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Old 01-22-2008, 06:54 PM   #3 (permalink)
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Just replaced all the filters, water in fuel light has never come on but I was thinking of checking the egr valve. thanks
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Old 01-22-2008, 07:24 PM   #4 (permalink)
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The vanes on the turbo might be sticking. At least that's what it sounds like to me.
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Old 01-22-2008, 07:52 PM   #5 (permalink)
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Monitor pids to verify turbo learn procedure has been complete. If the batteries were disconnected, codes cleared, program recently done, it will need to re-learn. Intake and exhaust mods. can also cause issues.
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Old 01-24-2008, 06:41 PM   #6 (permalink)
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My 2007 6.0L started this tonight. I'm thinking it's an EGR. On my 2004, I experienced something similar, but it ran real quiet at idle when the EGR stuck. This one doesn't do anything different except run up to third gear and hold about 3,000 rpm forever. The only way it will then shift is if I back of a little - then it shifts. If I keep on it, it will start bucking and cutting out a bit and vibrates. The it runs crappy for a while as I drive it real easy.

I think this is an EGR issue. I assume the turbo would throw a code, but I have none. Boost is not an issue, I guess... on hard accelleration, I get 22psi or so.

Any ideas? How hard is it to change the EGR?
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Old 01-26-2008, 10:45 PM   #7 (permalink)
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Talking Low power - no boost

When mine does this it usually is because the boost gauge tube pops out of the T connector and just that little bit of a loss of pressure causes the thing to have no guts. Runs just fine but takes forever to get to speed. And just let it blow out when pulling a 12k fifth wheel camper and you can only get about 5 miles per hour (if on flat ground or downhill).

Doesn't make any noise when it does it, I just notice loss of power and look at the boost gauge and it reads zero.

Amazing that that little tube (about 1/8 inch diameter) can make it gutless.

Must be like the thorn in the elephant's foot - makes em helpless.
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Old 01-28-2008, 01:55 PM   #8 (permalink)
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Mine turned out to be "gelling". Apparently, Powerservice isn't rated for 12 below zero. $133 later, it runs better. I just can't believe the anti-gell gelled!
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Old 01-05-2013, 04:39 PM   #9 (permalink)
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Low power, no turbo boost?

Guys can anyone help? About year ago I lost boost in my truck so long story short I've unplugged EGR valve and got my boost back. About a week ago I took of my muffler and put a strait pipe and after a couple of day I got no boost again with EGR valve plunged or unplugged. Had two codes before P0069, P0403 but I cleared them out. Can anyone help?????????????????????????????????????????????? ???????????
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