Reset your ECU and it'll probably be fine. I occasionally get that code on startup...I reset the ECU and it's fine. NGK's are fine, I run them. Pull out your spark plug in #3 and make sure it's not fouled.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
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