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| 2003 to 2007 6.0L Power Stroke Diesel 6.0L Power Stroke Diesel equipped Super Duty and Excursion. |
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#1
Thu, July 22nd, 2010, 11:37 AM
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I haven't been able to get around this in any way. If I was to buy a Gryphon CS could a custom tune be made to eliminate the egr strategy altogether? Seems like I found a good excuse to buy one.
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2004 F-350 XLT 6.0 Diesel 4X4 04/04 Build PHP FICM & Rolled Back ECM/TCM 
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#2
Thu, July 22nd, 2010, 12:43 PM
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One way or another, I will get an answer for you.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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#3
Sun, July 25th, 2010, 12:43 AM
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remove your dummy plug and see if your o rings are burnt off of it.
Btw your calibration should not matter, i have 2 04 6l, one a 03 engine, one a 04. both have up pipe welded shut, egr valves in place. 03 will learn vgt profile with nor problem, and the 04 build boost as normal. Both have the latest calibrations.
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#4
Sun, July 25th, 2010, 12:27 PM
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I just put new o-rings on it the last time I changed it out because I thought the same thing and it didn't help anything.
__________________
2004 F-350 XLT 6.0 Diesel 4X4 04/04 Build PHP FICM & Rolled Back ECM/TCM
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#5
Sun, July 25th, 2010, 02:34 PM
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Have you taken a look at the MAF sensor?
I was playing with a 6.0 a while back and it was doing some really strange VGT/ EGR stuff, so just for giggles popped out the MAF and cleaned all the crap from the K&N off of it and the truck ran perfect afterwords. Just an idea. 
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#6
Mon, July 26th, 2010, 01:11 AM
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I just cleaned my MAF for peace of mind. I run a stock filter and the MAF looked nice and clean to begin with. Datalogging with my old defunct predator I can watch when the egr flow test fails and sets p0401.
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2004 F-350 XLT 6.0 Diesel 4X4 04/04 Build PHP FICM & Rolled Back ECM/TCM
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#7
Wed, August 25th, 2010, 05:05 PM
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Figured out that my problem is there isn't an problem. Had to pull my car trailer with my fast truck on it and on a big hill I booted it and it makes 29psi no problem with a good load on it. Also got .5 mpg better with it blocked off towing and no lag at all taking off from stops. I now know that I can properly delete it without issue. Thanks for the help.
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2004 F-350 XLT 6.0 Diesel 4X4 04/04 Build PHP FICM & Rolled Back ECM/TCM
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