How long since the fuel filter has been changed.
Do that and if it still does it have the fuel pressure checked with a direct reading guage hooked to the test port.
It should read 40 to 44 psi at all times.
96 T/A, Black/Graphite Leather, T-Tops, 6 speed, 10 speaker Delco/Bose "Monsoon"
Original owner, 196k miles and counting.
Total engine rebuild at 187,020 miles. AIR delete, bored .030 over.
Comp cams Xtreme Energy LT1 266HR-14 street cam and springs.
Custom leather interior at 190k miles. Total repaint 193k Miles