Important Note About the 2020 Kia K5
The Kia K5 was introduced as a 2021 model year vehicle, replacing the Optima nameplate. There is no 2020 Kia K5. If you're experiencing a P0101 code on a Kia mid-size sedan from 2020, you have an Optima.
Finding the Right Information
Please verify your vehicle's model year and model name by checking your registration documents or the driver's door jamb sticker. For P0101 MAF sensor issues on the 2020 Kia mid-size sedan, please see our guide for:
- 2020 Kia Optima
About the K5 Nameplate
Kia renamed its mid-size sedan from Optima to K5 starting with the 2021 model year. The K5 features updated styling and powertrains while maintaining Kia's value and warranty advantages.
About P0101 in Kia Vehicles
The P0101 code indicates Mass Air Flow sensor circuit range/performance issues. This is a standard diagnostic code that can affect any Kia with a MAF sensor.