2020 Kia Sedona Engine Problems

Your car suddenly loses power while driving on highways, dropping from 70 mph to 10 mph, and the check engine light comes on. The accelerator pedal fails to respond, leaving the vehicle barely able to accelerate. This issue has occurred three times over five years, and while Kia replaced the part under warranty twice, they're now refusing coverage and quoting $5,000 for repairs, leaving your vehicle unsafe and unusable.

Your check engine light came on suddenly, and you noticed a strong smell of exhaust or gas coming from the vehicle. When you took it to the dealership, they identified two issues: a faulty oxygen sensor (O2 sensor) on bank 2 and a leaking exhaust gasket at the header. Fixing this will likely involve replacing the oxygen sensor and resealing or replacing the exhaust gasket.

Your 2020 Kia Sedona is having trouble starting in hot weather. When temperatures are high, the engine won't turn over right away and requires multiple attempts to start, though it eventually does and runs normally afterward. This has become a regular problem during summer months. The issue started around 22,000 miles and hasn't been inspected by a dealer or mechanic yet. Getting the vehicle diagnosed at a dealership to check the starter motor, battery, and ignition system would be the next step.