Looking at a 2017 Mazda CX-5 Touring. Has 21,300 miles, no accidents. Clean title, was leased by two separate people. I was able to find from a service record that the "transmission pressure sensors" were replaced at 21,000 miles right before this current dealer got ahold of it and is selling it. This seems like an odd part to have to repair so soon into the car's life. Has anyone had this issue? I am trying to figure out if I should take it in to a mechanic to have it looked at if I'm going to purchase or if it's non-serious? Or I guess if it's too serious that I should walk away? Thanks!