Hyundai Repair: MISFIRE, catilitic converter, hyundai accent

Question
I HAVE A 2000 HYUNDAI ACCENT WITH A 1.5 ENGINE.MY CAR IS RUNNING VERY ROUGH.I CANNOT DRIVE IT BECAUSE IT LACKS POWER.MY CHECK ENGINE LIGHT HAS COME ON AND IT SHOWS THAT CYLINDERS 2 and 3 are misfiring..I HAVE CHANGED THE PLUGS,WIRES AND HAD A MECHANIC CLEAN MY INJECTORS AND TESTED THEM.THERE IS NOTHING WRONG WITH INJECTORS.I DID A COMPRESSION CHECK ON ALL 4 CYLINDERS .. THE READING  ON EACH CYLINDER IS 150.THE NEW SPARK PLUGS HAVE A BLACK CARBON ON THEM AND SMELLS OF GAS..THEY ARE GAPPED AT .44 ALSO BELOW MY CATILITIC CONVERTER IT GOT SO HOT THAT IT MELTED MY PLASTIC COVER...ANY HELP WOULD BE APPRECIATED.
THANK YOU...

Answer
If cylinders 2 and 3 are misfiring, I'd suspect a coil issue.  Since they're on the same coil, that would be a likely cause.  

There's also a possibility that you've damaged your converter, but that won't cause a misfire, just a lack of power at higher rpm.