Monitored & Set Conditions

Cylinder misfire is monitored any time the engine is running and the adaptive numerator has successfully updated. DTC P0300 will set when more than a 2 percent (2.5 percent LEV) misfire rate is measured during 2 trips at less than 3000 RPM or one trip at more than 3000 RPM. See TRIP INDICATOR  under ON-BOARD DIAGNOSTICS.

DTC P0301, P0302, P0303 or P0304 will set when more than a 2 percent (2.5 percent LEV) misfire rate is measured during 2 trips at less than 3000 RPM or with a 10-20 percent misfire rate during one trip. See TRIP INDICATOR  under ON-BOARD DIAGNOSTICS.