If not my blend door actulator what then? 98 mercury marque emmiting hot air.

What is your question?

My cars air works some days and not others. The heat emitted is bothersome this summer. A friend said it was the BLEND DOOR ACTULATOR. It's not blowing air; The heat is emitting. Front passenger under dash, above floor.

What makes this problem better or worse?

It's constantly

How long has your 1998 Mercury Grand Marquis had this problem?

I could usually control the emmisions but not anymore.