Ender 3 - Poor printing of top layers

[Roberts_Clif]

I do not believe your printer is defective.

Post your Cura profile.
We are eliminating from point a - z
Run Cura Click on Preferences then on the Profile set to print > Export Post this exported profile...

Something is causing the print to fail, does it always fail at the same height level, even on different models.
Have you used the LCD Move Axis to see if the full X, Y, and Z axis is obtainable from the LCD.

I am not in front of the 3D Printer an am walking you through trouble shooting the cause.
Eliminating the simple problems is 1st then we go into troubleshooting the Mechanical movements.

Sometimes we ask for you to print a small model an record Video showing the entire print. then Post to a share like Google Drive.
This is how I help you fix your 3D Printer.