None of those things will cause stalling. What are the exact code numbers? There is no code for the fuel pressure regulator. The fuel supply system is not monitored for pressure, only for a leak.
Which engine do you have? Stalling when hot is commonly caused by a failing camshaft position sensor or crankshaft position sensor. They become heat-sensitive and will often work again when they cool down.
(Heading out of town to help a friend in his body shop. Will check back tonight).
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Monday, June 3rd, 2013 AT 10:19 AM