92 G20. Gross Poluter!!!! Heeeeeeeeelp!!!!!!!!!

I HAVE A REALLY BUG PROBLEM. I HAVE A 92 G20 AND IT JUST WOUNT PASS SMOG, THERE IS NOTHING NOT FUNCTIONING ON IT, I REPLACED THE INJECTOR SEALS AND I INSTALLED PLATINUM PLUGS, ALSO DID AN OIL CHANGE, AND REPLACED THE AIR FILTER, THE THING IS THAT WHEN I SMOGGED IT THE FIRST TIME IT WAS JUST OVER THE LIMIT, THE SECOND TIME IT WAS TWICE THAT, AND NOW ITS A GROSS POLUTER, CAN ANYONE GIVE ANY ADVICE ON IT, OR HAS ANYONE EVER CAME ACCROSS THIS PROBLE? ANY INFO WOULD BE GREATLY APPRECIATED..

THANK YOU.:crying: