Is My Linconln Dying? on 1995 Lincoln Continental

Car Leaks Oil, Eats Gas, Smokes Like A Dragon, Smell Fuel Everywhere, Stalls At First And Then Takes Off But Not Until A Cloud Of Smoke is Release. Did Not Happen Until We May Have Got Gas That May Or May Not Have Had Water In It. It is So Bad That It is Bearly Drivable With out Choking To Death Or Shutting It Self Off.

Check spark plugs and take a fuel sample (clear dry soda bottle would be enough) to start. Post results.
Think It Could Be Thy Catalytic Converter