Check the continuity of the wiring from the ground side of the injectors to the ECM.
Also, those wire splices are butt-ugly. Get some heat shrink butt connectors - and not the ones with solder inside. Put a double crimp on each end, do a tug test, and then shrink 'em. The only times I've had bad connections, it was because the wire wasn't good.
Also, those wire splices are butt-ugly. Get some heat shrink butt connectors - and not the ones with solder inside. Put a double crimp on each end, do a tug test, and then shrink 'em. The only times I've had bad connections, it was because the wire wasn't good.