91 s10 help!!!

[darush01]

I have posted about this before but none of the info I got helped and I'm tired of throwing money at it so it's back to the experts. I have a 91 s10 2.8 5 speed it sputters and hesitates when driving and has a slight miss at idle, I checked codes and I am getting 13 and 33. The previous owner replaced the fuel pump and the regulator and put new plus and wires on it then I've put a new map sensor and o2 sensor on it it ran a little better for a few days then started again. My air filter smells like it's soaked in gas so I'm thinking it's getting too much fuel. Sorry for rambling I just want to give as much info as possible any help is appreciated