Odd...

[srv1]

Joe. do the basics first. you got fuel pressure right? what is your gauge reading? you never stated what the fuel pressure is. it sounds like a fuel pump. do a pressure reading. is it to spec? let mr know.

oh and more info for you. whenever you work on ANY Ford, remember KOEO codes FIRST!!!! ignore KOER codes! you MUST fix the KOEO codes first! ignore the code 67. did you have it in gear when you did the KOEO self test? ignore the EVR code as well. Fords are known for bad EGR sensors. only ignore these for your case.

now i dont believe it is the EGR at all. why? cause it did it all of the sudden. sounds like a plugged exhaust, right? not likely with a h-pipe. spark? could be. check to make sure the timing change hasnt jumped since i assume it has 160k on it!. i have seen many Ford distributors go bad in my day. the top part of the dis. (shutter) comes loose off the shaft and moves, therefor screws up the timing. i have enclosed a pic. try to turn it(gently) it should move a little bit both ways, but shouldnt move more than 1/4". something like that. usually a TFI module causes a no start or a stall. check your distributor cap for carbon tracking.

i say check the fuel pressure. if is correct change the fuel filter. if not that, check your dis. cap. if that is not it, check the distributor like i shown. good luck!

p.s. a plugged egr with an h-pipe wouldnt cause the vehicle not to rev past 2500 rpm. poor idle, bad fuel econmy, hesitation would happen, but the car would still rev past 2500 rpms