sounds like an issue i had. Two of my injectors were running full duty all the time. Turned out to be a cracked injector harness and two of the injectors were arching.
Jim Hahn
1996 T-Red Contour SE Reborn 4/6/04
3.0L swap and Arizona Dyno Chip Turbo Kit
364 whp, 410 wtq @ 4,700 rpm