6 months ago cyliders 2 and 4 started missfiring. I swapped the coil pack which rid my car of the symptom. last week it started missfiring on the same cylinders. Also, my interior light flashes about 10 times when I start my car. Its possessed.

 

same code came up a couple days ago after i changed my spark plugs so i rescrewed the spark plugs and it went away.