P0301 Honda -

Question

P0300 RANDOM MISFIRE, PO172 BANK 1 RICH, P0175 BANK 2 RICH

Answer 1

P0300 Random misfire

P0305 Misfire number 5 cylinder

P0172 Fuel trim to rich bank 1

P0174 Fuel trim to rich bank 2

When ever there is a rich misfire this is when you recieve more fuel  than air,this can be from excessive fuel pressure , but more than likey due to both bank reporting rich check and inspect the timing belt, alignment marks and condition Rich misfire are usually mechanical problems