WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
P0300 Code: Random or Multiple Cylinder Misfire DetectedCode P0300 stands for “Random or Multiple Cylinder Misfire Detected.” This diagnostic trouble code (DTC) indicates that your car’s computer has detected an engine misfire that’s random and/or appearing on multiple cylinders. You’ll likely find another OBD-II code—from P0301 to P0308—alongside P0300 as these all point to engine misfires.
What are the Signs of a Blown Head Gasket?Head gasket failure is almost always the result of engine overheating—but there are some instances where a head gasket can deteriorate over time, or fail as the result of a manufacturing defect.
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