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| 1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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#1
Tue, August 10th, 2010, 05:16 PM
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Am I leaving any power on the table?
I have heard people say that our trucks will de-fuel once the map sees 22psi.
22psi is all that I have seen on my gryphon, I think because that is as high as the map sensor will read. (so I guess I could be making more) I also get a P0238 over boost, and P0478 exh back press. If this is all true will a over boost relief valve cure my codes and give me full fuel? (more power)??? B
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2002 F250 XC 4X4 Auto Edge Evo sent in for a GRYPHON on 5/20/2010 Happy B day to me!! 4" turbo back MBRP (no-muff) 6637 08' aluminum diff cover AIH delete 
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