code P0303 OMG
 

hi
my car is dodge charger 2007
i start to have this code p0303 misfire C#3
when the car is ideling no problem but when i push the engine to full i fell lose of power in the engine
and the engine check light start to flash and when i slow down the engine light goes off
i have new spark plugs installed one week a go
i changed the ignition coil from C#3 and C#1 still the problem is there
could it be the injectors?
plz help