Did you reinstall all of the EGR plumbing, hardware, and wiring, ie, EGR valve, tube, sample hoses, DPFE sensor, EVR solenoid, vacuum lines, electrical lines, etc?

Did your header have the correct EGR tube connection fitting?

Have you performed the EGR vacuum vacuum test?

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. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!