My spark plug will not catch in my truck it keeps on kicking it out on 2001 Ford Excursion

I can't get it to hold the spark plug in

Asked by for the 2001 Ford Excursion
2 answers 1 comment
very common on these motor the threads are stripped in head. these heads only have about 4 threads in cyl head. we install a new thread insert to correct issue.DO NOT TRY THIS YOURSELF. I f you mess up it could cost u up to 2000.00 for repair. seek prof diag and work
Thank you so much
agree with gregs auto. need to get it to a shop to be repaired. threads are stripped.