Random misfire

tyty101

I have a 99 chevy tahoe that has a bad random misfire I have replaced distributor cap rotor button plugs wires spider injector and have no idea what's the problem it only does it at idle when accelerating it goes away have also replaced all 4 o2 and the fuel filter truck has a rebilt motor in it with only 6000 miles on it if you have any insight on this problem please let me know

tyty101

Sorry 6000 miles

stever

Fixed. Can't fix the misfire though

Got any codes?.

tyty101

Po300 random misfire Po154 bank 2 senior 1 Po452 evap ga stank and I have a problem with the gas gage not working right