p0300b 01 chevy impala 3.8

Question

I have an 01 chevy imala 3.8, gives code p0300B random misfire. checked misfire screen and found cylinder 3 & 6 misfireing, but there is no code for those cylinders. I've replaced
the coil,spark plugs, wires, and even tried to changeing the module for the coils. Not sure
what do to next

Answer 1

P0300 Random misfire.

cylinder 3 and cylinder 6 fire from one igntion coil pack, reset the code and swap out the coil with a different location