If your car has a check engine light on for a P0300 code, it means a misfire has been detected. Your car may also be running rough and you also might be experiencing bad gas mileage.
In this article and video, we review how to diagnose and fix the ignition coil that may have triggered the P0300 code, which stands for “Random/Multiple Cylinder Misfire Detected.”
Check Engine Light? Misfire Detected – Code P0300 – Ignition Coil Diagnosis
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