Try one more cheap thing before changing the EGR. Clean the Throttle Body. Make sure you install a new gasket $2 after cleaning.

TB cleaning.
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=trouble&Number=920243&Forum=trouble&Words=p0401&Match=Entire%20Phrase&Searchpage=0&Limit=25&Old=allposts&Main=919728&Search=true#Post920243

"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles