Tough question without knowing more info. But, if you are talking about fluid coming out the end of the exhaust pipe when the car is running............its not fuel, its water!
exhaust leak or fuel leak
two things, exhaust has a leak of gases or fuel leak from engine bay
exhaust leak or a possible fuel line leak
A broke fuel line can cause a 1995 Beretta to leak fuel into air filter assembly. An exhaust leak can also cause this issue.
The first thing to look for would be an exhaust leak. Check for a fuel leak on the top of the engine.
440 code has nothing to do with oxy sensor. 440 code is a leak in the fuel system such as fuel tank or evaporator system
Fuel still getting into the intake, Usually inhanced by A slight exhaust leak.
i had a fuel leak
sounds like an exhaust leak, or a fuel leak. that depends on the smell.
A small exhaust leak should not be the cause. It sounds like there is not enough fuel getting to the fuel rail. You don't say how old the vehicle is but could it have a dirty fuel filter or faulty fuel pump?
If your exhaust pipes by engine get red hot you have a vacuum leak that will make it sluggish
A vehicle that emits blue exhaust is experiencing an oil leak that has seeped past the engine seals and started to burn with the fuel. It indicates either a blown head gasket or an engine oil leak.