Pull the deck off then remove the tensioning arm
Check the hole.
Usually it is very oval & the bush it runs on is also worn beyond servicable limits.
Not sure what you mean by held on by cable ties.
The cable is anchored on the deck by a bracket some of which had a small amount of adjustment .
At the control end it is also in a bracket but there is no adjustment there.
The lever itself is also subject to wear at the pivot end as no one ever lubes it.