I'll chime in as someone who's had to diagnose these prior to the recall
being issued.

The typical scenario is that the car would arrive with a complaint of a
check engine lamp and perhaps a complaint of poor performance. The fuel
pressure would get low enough that the check engine lamp would illuminate
due to the significantly increased injector on-time over what would
normally be expected. If driven long enough the vehicle would misfire or
even stall out completely.

The typical sign that you're having a fuel pressure issue is that the more
the accelerator is depressed, the less power you get. Usually, this occurs
after the vehicle has been driven a significant period of time and the fuel
pump begins to overheat.

As far as a crash, that's highly unlikely in my opinion (presuming you
have enough sense and enough space to coast to the side of the road).
Nonetheless, the inconvenience of a barely (or not at all) running vehicle
varies with the situation.

I had this happen once, and I coasted to the side of the road and waited
about a half-hour for the pump to cool off. The tank was nearly empty, so
I drove to the nearest gas station and filled my tank to help cool the pump
while driving. I then made the 45 mile trip home without incident.

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