The gas door will not stay closed. How can this be fixed? on 1999 Suzuki Grand Vitara

The gas door will not stay closed.

Asked by for the 1999 Suzuki Grand Vitara
2 answers
buy a new latch kit from dealer
U could spray wd-40 on that the inside were the thing pops out to hold it shut,and keep working lever until it comes out again.
If there no action , its probably the cable,
.
Duct tape??