93 Camry is stalling while driving have done diagnostic and replaced distributor then replaced ignitor but car is still dying?

Most common possible problems:

1. Ignition coil faulty 2. EGR valve clogged/sticking 3. Engine Coolant Temperature switch malfunctioning 4. Vacuum leak Also check fuel pressure, hot and cold, to determine if fuel filter is clogged and/or fuel pump is faulty.