Kubota KX91-3 Accel Sensor Error: Replacing components in an effort to fix

Showing what I replaced in an attempt to get my machine running again to resolve Error Code #11 Accel Sensor Machine threw the code, attempts at repair made the issue worse as now the engine will not respond to the throttle knob moving whatsoever. No dealership or Technician can answer why this problem still persists. If anyone can help please reach out.