fuel coming out of exhaust

[steveh3500]

94 mustang 3.8 all of a sudden yesterday can was fine parked it for about 5 minutes got back in and it was running real rough,,noticed it was using alot of gas,,and smoking a little and when i checked the exhaust smoke i noticed some gas coming from the tail pipe,,,please help me and solving what is causing this

 

[S/CBlack95GT]

Sounds like a dead cylinder or cylinders. Pull the plugs and see which cylinder is dead. It may just be a bad plug or plug wire.