woohoo! I figured it out this morning. When I pulled the INJ1 fuse under the dash and disabled the 1-3-5-7 injectors, the engine actually stayed running on just 4 cylinders... so I put the fuse back, unplugged all the injectors on that side, started it up and started plugging the injectors back in one at a time, all the while revving the engine. So when I got to the #5 injector, BINGO!once I plugged it in, the engine cut out and died! I feel kinda stupid because i checked all the injector harnesses with the noid light but neglected to check the actual injectors for resistance. guess what? all the injectors were at 16ohms while #5 was at 2 ohms....
replaced the injector, runs like a champ! thanks to all you guys who added input and tried to help me out, I appreciate it!
