I installed the new injectors, the car started up grossly rich - good sign, moving more fuel through the new squirters.
But I can't get it to go into diagnostic mode. I pressed the little button by the LED near the battery, light does not go on. I don't see a voltage or a duty cycle on pin 3 of the round test socket.

Last time, the light went on steady on the first 2 second push, rather than flashing as I was expecting, but I was able to set the duty cycle.

I pulled the battery overnight hoping to reset everything.

I guestimated the tower adjustment and leaned it out quite a bit and it is running much better. Idle is way too high, 1200+ in N, 700 but lumpy in D.
Just off-idle rolling on the power, it is lumpy and in gravel wants to spin the tires. Once underway, it pulls smoothly but not terribly powerfully.

I never drove one of these that worked well, so I don't know what to expect. Going to full throttle, even above 4000, does not have much effect vs half throttle. Really hoping to get diag mode running and convincing myself it is as good as it will get.