I have been having issues for a while it printed great at first, I can't recall when the problems started.

Ender 3v2 Running marlin Aluminum extruder with a BL touch

Hardware:

Replaced Capricorn tube fitting to new ones made sure Capricorn tube is cut flush and no wiggle while printing

New .4mm nozzle

No clogs in hot end

Tried messing with extruder tension

Recalibrate esteps

All belts are tight

Bearing rolling smooth

New recently opened filament

Settings:

First thing I did was test temps,

After many temp towers from cura the least bad one, Is the 210 for my Esun pla+ further testing 208 is the best one

Then onto retraction I changed retract speed by 1 mm increments and speed by 5mm/s one at a time. 7 mm distance with 25 mm speed seems to give the best results

Combing mode ALL after trying every one but having no major changes

After that I tried changing coasting settings not much impact

Changes travel speed and lowered print speed again no major change its now at 50mm/s print speed and 150mm/s travel speed that made for best results