DTC Parameters
- Sum of the misfire counts are greater than 30 in a 1000 engine revolution test or greater than 45 in four consecutive, 1000 engine revolution tests.
- Engine speed is 520-6520 RPM.
- Traction control is not active.
- IAT is more than 17°F (-8°C).
- EVAP diagnosis is not active.
- No TP or CKP DTCs are set.
DTC will set when specific or random cylinder misfires have been detected after a 1000 revolution test(s).
NOTE:
ECM must complete the entire 1000 revolutions before DTC P0300 will set.