Mercury boat mechanic needed

[Ravincrossbow]

I have a 2006 mercury 4 stroke efi with a idle issue, coming back in neutral from reving or acceleration, motor cuts out, i tested the fuel pressure coming out of the fsm and got 50 psi with no drop at all once motor starts to act up, starting to think I may have a clogged injector, motor runs fine when I go above 5 mph, if anyone knows a good mechanic with scan tool, and can clean and flow test injectors I would greatly appreciate it! 
(hunterdon county) 

[MGHunter66]

Hook up an auxiliary can with one gallon of fuel and a whole can of seafoam. Run for 20 minutes, let sit for 20 minutes then run for another 20 minutes. Will clean everything out then next time out run it hard and it’ll blow all build up out