The car is a July 2000 V8 with about 25k miles and yes, it does have the warm start issue. Not too bad but it seems like such a solvable problem.. I understand that it could also stem from faulty OXY sensors and fuel injectors. I personally think with my situation, it may be an advanced timing issue and or residual fuel in the cylinders(not sure what would cause either). I changed the CAM sensor myself and that didn't help. I have a new crank sensor but don't know how accessible it is on the engine to chagne it myself.
I didn't know that the V8s ran that rich on start-ups. For diagnostic work, I know the ECU is under the plenum, but can it be controlled through a more accessible port or plug?