By the way my p0300 was fuel related You may see the boost gauge flashing, the check engine light turning on, or the car suddenly dropping into limp mode I just had to empty a full tank and fill up with fresh fuel, it then disappeared.
2011 Nissan Gtr
P0300 is a random misfire, usually bad plugs will give you individual misfires
Random misfire while cold could be dirty mass air sensor or vacumm leak ie intake gasket etc.
Obd ii fault code p0300 is a generic code that is defined as “cylinder misfire detected random cylinders”, and is set when the pcm (powertrain control module) detects either a random. The p0301 code has not resurfaced I'm inclined to replace the remaining coils (5) with new hitachi coils and see if that solves the rough start. Find the real cause before remapping
This guide gives you a structured, repeatable process to diagnose limp mode properly—whether you’re a diy owner with a scanner or a technician. Learn what causes nissan limp mode, common symptoms, reset methods and real repair costs before transmission damage gets worse. About 2 weeks ago, i started my 2011 infinity g37x to a rough idle Once i turned into a main road and began to really accelerate, my cel began flashing, and it was very clear the engine was.