DTC Description

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.

The ECM/PCM sets DTC P223700 when the conditions are like below.

The fuel factor change is higher than 0.1 when the sensor voltage is 1.49 to 1.5V.
Integrated air mass flow value is higher than threshold value when the sensor voltage is 1.49 to 1.5V.
The fuel cut is being kept when the sensor voltage is lower than 0V.