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ANSWER Abrupt hot no-start 700 1990

All right. It's starting again. I think it's a failing main fuel pump. Even with voltage, I had to whack it to get it to start running. I also redid the wiring pigtail (which I'd grabbed off a mid-80s model) because it was losing insulation.

In the process of fiddling with things, I pushed the right rear pin back out of the FI relay socket. That complicates things! So maybe the pin is more the cause than the pump itself. We shall see, but ~100-150K miles out of a pump isn't bad!

Cheers

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