Ya, im leaning more & more to the EGR valve..we just got a fresh 6 inch dump of snow today, so will check that once it gets shovelled The fuel thing~~ doesnt seem like fuel issue, as like said b4 car was ran & moved around every month or 2 while it was "parked", as well the tank was dropped,drained & cleaned & brand new fuel pump installed 2 weeks before it was parked (previous owner got a new car, & this one wasnt needed)Also our first fill once we got it was with supreme gas..havent heard of or seen ethanol free gas here, so we put in the highest ( 94) possible.
One of thos "needle in a haystack" problems, so i guess will do knock down of issues, starting with the simple fix of airlines,pvc & egr..then get into sensors if those ones dont solve it Thx for hints...amazingly this ol girl still getting 36 MPG!!! (hwy) even as old & 300k on her...good ol beast