Hey man, I just got done changing my plugs lol .

I don't know what else to tell you, replace the plug, see if you can have someone check the injector. I'm not to familiar with injectors. Make sure that it is gapped to 1.2-1.3mm (.054in) and torque it to 13 lb-ft.

Let me know what happens after you replace the plug. I run NGK's at all times .