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December 4, 2024 Service bulletin

Check engine light ON with DTC P0300:00 (Random misfire detected) stored

Mazda technical service bulletin 01-012-24 for 2021 Mazda MAZDA2.

Bulletin number
01-012-24
Component
Engine
Summary
Some vehicles may exhibit the check engine light ON with DTC P0300:00 (Random misfire detected) stored. This may be caused by a mis-detection of a misfire due to improper PCM control logic. To eliminate this concern, the PCM control logic has been modified.

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