Rough Idle + Check Engine light

98 pontiac sunfire, 2.2L.

Bout 2-3 weeks ago my car died on me on my way home. Found out it was the fuel pump that went. I replaced the fuel pump and the fuel filter. My car sounded a little rough but thought it was just because of the work I had done.

Car started stalling/dying when I turned the key over if I didn't give it constant gas. Would die halfway through taking off in 1st gear and would try and stall in 5th gear if I was going slower than 90km/h

Got a check engine light for a MAP sensor code so I replaced that a week ago. My car is running a little better but now still has a SUPER rough idle and I keep getting the same MAP sensor code even after clearing it. No clue what it could be and I can't afford to take it to a mechanic to get it fully looked at.

Thinking maybe vacuum leak but unsure