I would also change the fuel filter and check the pump. I had the same problem, except mine would completely die. I changed the filter and problem solved.
83 pickup, 4.88s, chevys in rear, RUF, Dual Transfers, flat belly, 3RZ swap, disc brake x4, rollin on 36" irocs
IF YOU SEE A 20' PAC WEST/CARSON FLAT BED TRAILER FOR SALE CHECK OUT THE STOLEN SECTION. IT MIGHT BE MINE!!!!