Well, the computer is what causes the EGR valve to open, not the DPFE.
In any event, get rid of the 327 first.
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
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