DTC P0650 ... won't run

1999 Grand Prix GT

I'M GETTING CODE P0650 - Malfunction Indicator Lamp (MIL) Control Circuit Malfunction

THE CAR DOESN'T WANNA START
ALSO IT IS POURING FUEL INTO THE ENGINE AND GETTING LOTS OF BLACK SMOKE WHEN TRYING TO START IT

ANY HELP WOULD BE GREATLY APPRECIATED OTHERWISE I GUESS I'LL BE TAKING IT TO A DEALER

THANKS IN ADVANCE TO ANYONE THAT HELPS