Floor tiles wobbly- repair

[eastender3]

Hi folks,
I have few wobbly tiles in our kitchen that I want either repair and then put vinyl liner flooring over them.

Do I need to take out the wobbly tiles and fill them up and then put the liner or can I put grout to secure them. I don’t want to take all the tiles out.

 

[Wayners]

Need to come up.

Prep floor correctly.
Maybe get the lot up

 

[opps]

If it only a couple of tiles, you can remove the grout. If you can lift the tile(s), you can re-bed them. It might be the case that you can "glue" them down with something such as CT1, and then use the same to fill the grout lines.