Most likely the EGR pipes are clogged. Remove them and the valve and dig out the carbon soot.
Is your engine the SOC M103 or the DOHC M104?

This may be illuminating

http://www.continentalimports.com/ser_ic20134.html

__________________
Regards

Warren

Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL

ENTER > = (HP RPN)

Not part of the in-crowd since 1952.