Monitored & Set Conditions

DTC P0300 is monitored anytime the engine is running and the adaptive numerator has been successfully updated. DTC will set if more than a 2 percent misfire rate is measured during 2 trips, above 3000 RPM one trip, less than 3000 2 trip. DTC P03001-P0304 is monitored anytime engine is running and the adaptive numerator has been successfully updated. DTC will set if more than a 2 percent misfire rate is measured during 2 trips, or when a 10-30 percent misfire rate is measured during one trip.