I have an 03 elantra gls automatic and it seems to have an obnoxious shifting issue. when going down the highway at 50-60 it will randomly downshift and the rpms will go up to ~4000 then it gets stuck in gear for awhile til it decides to shift back up. most other gears it shifts really hard into...

Hello fellow elantraxd users, I bought a 2001 Elantra GLS with 156,000 miles about 2~3 weeks ago from another college student (I'm also a college student lol) and she had used it for a year. Her dad (who also is a mechanic at the dealership according to her) bought it from a dealership and did...