When restarting engine after it is warmed up it wants to flood out. Can be cleared by revving the engine to clear symtom,
After a short drive and the engine is shut off for a short period and restarted it acts as if it
is flooding out, You can mash the accelerator and clear the engine and it will sometimes
work the first time, Once it does clear you are able to drive and then it works okay.
It has in the past when at stop signs acted up the same way without shutting it off.
It always starts when cold with no problems,
Sounds you have some leaking injectors during the "HotSoak" after engine shut down. You will have to hook Up a fuel pressure tester and watch the pressure drop after shut down, it should drop 3 to 5 then stop.
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