> Based on my experience, an early 1990s Civic that suddenly refuses to turn
> over at all under any conditions is most likely to have a failed ignitor.

It had a non-start incident once, about 2 months ago.

> Coils often fail slowly, allowing the car to run sometimes, with erratic
> RPM
> at idle, and being very temperature dependent. If you've seen none of
> this,
> I'd be checking the ignitor.

The coils are my top suspect. I wonder if the Park/Neutral revving I saw
recently is the same as erratic RPMs.

> Have you eliminated the main relay as being the main problem?

Yes, it clicks 3 times.

> Did you get a new distributor cap?

Yes, that was the first thing I replaced last week.

> New ignition wires?

> Hang in there. I suspect there's life in this car yet, unless, say, it
> really has been very poorly maintained for years...

Hondas are fine cars, 12 good years so far....