Wow im tight it came back with a vengence so today im hitting hight rpms around 80mph and check engine lights starts blinking automaticly i trow in neutral and get off the first exit it must of blinked about 5-7 times couldnt count so idk if it was cuz i slow down its stop blinking so i kept going after that then it came back on but stood on and now i got the P0411 AND P0301 WICH IS A MISFIRE CILINDER 1 can they both b related can i drive like this it doenst blink anymore its just on

I JUST CHANGED MY SPARKPLUGS ABOUT 4 MONTHS AGO can it be the coils by the way the car feels the same no diffrense.

I have pulstar spark plugs