any ideas about my engine hesatation

[90 xj]

last week i replaced my head gasket. i had the head milled and got a valve job, i got it all back to gether and now my engine stumbles. i got a new o2 sensor and i thought that might fix it but it diddnt do you think it could be a bad tps? i am open to any suggestions thanks
jake

 

[PaulJ]

Check that the MAP sensor is properly connected.