Empowering Yourself Troubleshooting the P0300 Engine Code

I got P0300 (Random / Multiple Cylinder Misfire Detected) on my 2002 Rav 4, so I personally replaced all spark plugs, and the check engine light turned off and ... P0300 is a DTC (diagnostic trouble code) which is logged by your Volvo's ECM (car's brain or computer), that then causes your check engine light to illuminate. A P0300 OBD DTC code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder ... 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 ... The OBD-II P0300 code indicates that your engine has experienced multiple random misfires. If this is indeed the case, you've probably already noticed some ... The p0300 means that the ecm can't tell which cylinder is misfiring, but it should show up in the mode 6 misfire counter to give some direction. A P0300 engine code indicates a random or multiple-cylinder misfire has been detected by your car's On-Board Diagnostic II (OBD-II) system. P0300 just means it's more than one specific cylinder. So using the live data scanner you have to watch all cylindera at once to see what ones ... A P0300 OBD code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0300 trouble code means that one or more cylinders is misfiring and not completely burning its fuel/air mixture.