yes, you can remove the engine cover to verify.
The Freestar has a coil that feeds all 6 cylinders and does not have individual coil on plugs.
For diagnostic instructions on coils see the link.......http://easyautodiagnostics.com/ford/3.0L-3.8L/how-to-test- the-coil-pack-4
Looking for a Used Freestar in your area?
CarGurus has 32 nationwide Freestar listings starting at $2,995.
Search Ford Freestar Questions
Ford Freestar Experts