map sensor

i have a 1990 s10 4.3 it stalled on me and had to get towed i checked for codes and 33 came up. it was a map sensor i changed the sensor and it still doesnt want to start there were no other codes but 12 to say its ok is there something i missed any help would be appreciated

Check for bare wire inside TBI area and blown fuses ecm specifically need more info to help
going through some issues on my 89