This one might be tough to get nailed down. Check the coils primary and secondary resistence, condition of the plugs, cap, rotor and wires. If all this looks good try doing a fuel pressure leakdown test.
The accumulators will leak as well, if you remove the smallest line (clamped on the end of the thing) and fuel runs out while running, its bad.
Intermitent hard starts on KE cars can take a lot of time to find.
Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.