Honda Accord Warm Start Problem?

My 2000 Honda Accord (V6)'s, engine will quickly sputter out and die when I start it from a warm start. If the engine is giving a couple of hours or so to cool down completely or if I start it quickly after it has been running for a while there's no problem. The engine will not fire evenly and quickly stall unless I get it into gear and drive for a while.

Yes

I don't know

A bad O2 sensor can do that by making the engine run way too lean. I'll bet it starts fine hot, and only has trouble after it cools down for a few minutes.