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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 460 (Engine Control System Diagnosis - 2.0L (3 Of 6)) >> DTC P0303-00: Cylinder 3 - Misfire Detected >> DTC Information >> DTC Description

DTC Description

WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.

If the ECM/PCM detects that engine speed variation indicates a misfire sufficient to cause three-way catalyst converter damage or emissions level to exceed standard value, the ECM/PCM sets DTC P030300. If the misfire rate is high enough to damage the catalyst, the MIL will flash to alert the vehicle operator.

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