2005 Kia Sportage Q&A

2005 Kia Sportage Question: do i have gearbox problem - used kia sportage 2005 (B)

when the car moves it does not does not change gear smoothly and off and on there is a "check engine" indicator on. Now it can only reverse easily but i find it difficult to engage the D gear. Do i have gear box problem or where can i get my gear box replace in Bandar Baru Bangi, Selangor, Malaysia? How much will it cost me? -
Answer 1
you may need to change the air filer. i have this car and i have to change the air filter every month or it won't shift correctly . it sounds crazy, but its a problem, it will start hanging up in gears if the air filter is not perfectly clean -