p00300 code ( check engine light ) on 2005 Chevrolet Cobalt SS

my car is reading p00300 code not sure it says misfire on cylinder. does anyone know i dont want to change all four coils if not the problem

Asked by for the 2005 Chevrolet Cobalt SS
Many possibilities here, and if it doesn't point to one cylinder, here is some info: http://repairpal.com/OBD-II-Code-P0300
1 answer