the trans has forward motion in every gear.
And this is a problem? You do know that is the purpose of Park?
You are one of the lucky ones.
If it does not have forward motion in park, then the park gear is working correctly. If it has forward motion in reverse (R), then your problem can be varied and many.
Looking for a Used Explorer in your area?
CarGurus has 75,042 nationwide Explorer listings starting at $1,200.
Search Ford Explorer Questions
Ford Explorer Experts
Related Models For Sale
Used Cars For Sale