Hot start problem - What else can I do?

[BustnJustn at aol.com]

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Hi all,

I have had a hot start problem on my V8q for nearly a year.  Basically the
scenario is that I drive for at least 15 - 20 minutes, stop the car, come
back about 20 - 30 minutes later, the car won't start.  If I wait for another
20 - 30 minutes it starts and runs fine.  By the way I have tried pulling
codes and nothing comes up.

This is what I have replaced to date:
Fuel Pump
Fuel Filter
Fuel Pressure Regulator
Timing reference sender

What else could it be?  Any thoughts/insight on what my next steps should be
will be greatly appreciated.

TIA,

Justin Bowers
90 V8q(his)
90 V8q(hers)