hey guys missfirin problem

[ka240unleashed]

hey i got a ka24de stock it is miss firin on cyl 4 cause there is to much full it has compression, spark, new injector, new o rings, swaped ecu's, has the right pulse width, new cap and rotor, new plugs, has fuel pressure, has new pressure regulator, i think that is about it if you guys have any suggests please let me kno im open to opinions

[mechpro]

try swapping ur old ecu back if u have the same problem try vaccuum leaks.