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Recker · 04-04-2017, 09:21 AM

So the p0300 code just popped up the other day which is a random cylinder misfire.. First of all, I have a Fi catback and Fi long tube headers followed by stillen gen 3 intakes and an uprev tune which I got done 2 weeks ago..
After this tune everything was running great, until the service engine light started flashing.. the other day we changed my spark plugs , which originally had the code off for 2 days and it was running normal again. Then yesterday it came back on and car began to run sluggish again and threw the same code.. we smoked out the car and have no air leaks, any suggestions from here on? Thanks! Only have about 36k miles on the car btw.

04-04-2017, 09:21 AM	#1 (permalink)
Recker Base Member Join Date: May 2016 Location: Long Island NY Posts: 21 Drives: 2009 Nissan 370z Rep Power: 9	P0300 Code Need Help! So the p0300 code just popped up the other day which is a random cylinder misfire.. First of all, I have a Fi catback and Fi long tube headers followed by stillen gen 3 intakes and an uprev tune which I got done 2 weeks ago.. After this tune everything was running great, until the service engine light started flashing.. the other day we changed my spark plugs , which originally had the code off for 2 days and it was running normal again. Then yesterday it came back on and car began to run sluggish again and threw the same code.. we smoked out the car and have no air leaks, any suggestions from here on? Thanks! Only have about 36k miles on the car btw.