It's not that big a player in this. And when they fail, if they ever actually do, they fail indicating a high temp to the ECU.
And even when the biggest player in air/fuel ratio fails, the MAP, it will burble and flood, not shut off and come back.
This isn't gonna be a quick and easy one. But, there are some steps you can take to make sure what isn't causing the issue.
Ever clicked on the link in my signature and reviewed my Tips?
#4 could be a player here for sure.
It it's an 88, I would do Tips 1 through 5 thoroughly and consider doing #27.