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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Engine Control System Diagnosis (PHEV) (08 Of 10)) >> DTC P21B9-00: Cold Start Cylinder 4 Injection Timing >> DTC Information >> DTC Description

DTC Description

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.

The ECM monitors the short term A/F ratio calibration at idle and sets a DTC P217700 if the value is greater than the reference.

* Off-Idle: Engine speed is lower than normal due to the mismatch of mass air and fuel volume

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