After iM idling in an intersection I start out.

You have a OBD 1, you can always get a flash code, the disadvantage is you cant get a key on engine running code. When you say you did the distributor the whole distributor which has the hall effect, which is the magnetic pick up, because this can do it The MAP sensor is the next candidate, The TPS sensor can do this and so can fuel pressure. These are component that can cause what you describe. Check the vacuum hose to the MAP sensor make sure its not rupture, and the MAP sensor itself, which does gel

Clean the throttle plate onboth sides as well as iac and check yoru fuel pressure it's probably loww