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Location: Sassamansville, Pa
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Its not hurting anything by leaving it in where its at, just leave in plugged in electrically.
Depending on what strategy your PCM is running, when you disconnect the EGR valve electrically with the '03-'04 VXAP2 strategy it prevents the vanes from running thru the vane sweep cycle at idle. IIRC, the '05-07 strategies with a "9" in it and the EGR valve unplugged electrically causes the clutch fan from reaching full RPM.
God knows what else may be not working right with the EGR valve unplugged. IMO, your better off just leaving it in the manifold and keep it plugged in electrically.
2004 F350 CC DRW King Ranch
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