If you got a new Fuel Shut Off Solenoid (fsos) with the new injection pump, I would suspect the fuse for that solenoid, or a bad connection between the fuse and the fuse box. It should be located in the under hood fuse box. If you can use the paper clip to read your codes. It is shown in the...
In the near future you will be buying a new door latch assembly. The handle will break off eventually. I've changed 2 on my 95, I keep a spare. They are fairly inexpensive and easy to change.
Just read back further and see you already changed it, the used one may be failing already
I take it you have GMTDScanTech.
Years ago I got code 88, I ordered that program. I programmed a relearn. Then TDCOffset, for about 60 seconds I was crapping my pants.
Welcome to the club, you're in for a ride. :)
I've been using T6 0-40 for 2 years in my 98. Twice the gfi tripped. It's on a dial type timer so I know it tripped the moment it came on, the first time it was -25C, the next day it was -30C. Both times it started just fine.
I will admit that engine is a one of a kind, but there is almost no...