I have a plug in the egr hole machined to match the egr valve dimensions with the o-rings in place to block the flow into the intake. The egr valve itself is plugged in to the harness but I have it bolted to the intake elbow where it can do it's thing without polluting my engine. I have one more thing to try I'll report back when I test it out.
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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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