first, check that your belts are tight, on the x axis and the bed. if not tighten them
second, grab the hot end and wiggle the gantry, and make sure it is not loose, if there is any play at all tighten the eccentric nuts.
if this doesnt fix your problems, check out this playlist i put together for the ender 3 v2, it should answer everything
Ultimate guide to the ender 3 v2 -Technivorous