P0300 code 2012 gmc terrain

Question

Im getting a code P0300 twice now i have a 2012 gmc terrain 2.4 ltr with 48666 miles car runs a little rough at idle but the engine light only came on 2 diff occasions for 1 day at a time when temps were at or just below freezing do u think its worth worrying about or do u think its weather related

Answer 1

HI there

The code may be weather related, but it's an indication of a problem. The weather shouldn't affect the way the engine is running. I would suspect a faulty coil to be causing the issue. If it becomes more apparent it may be easier to determine which one is the problem. usually it will go from a multiple misfire to a single cylinder misfire. Right now the computer can't determine which one is the problem.