DTC P0300 Random/Multiple Cylinder Misfire Detected: DTC Detecting Condition

DTC DETECTING CONDITION

Item		Detecting Condition	Possible Cause
DTC Strategy		Misfire is detected on 2 or more cylinder	Faulty spark plugs, high-tension lead, or Ignition coil Incorrect valve timing Uneven compression Air leakage Improper Fuel pressure or dirty fuel. Blocked/Leaking injectors Leakage between cooling system and cylinder
Enable Conditions		480 < Engine speed (RPM) < 6500 Intake air mass gradient is in predetermined range No injector shut off No rough road
(Case1)	Threshold Value	Misfire = 2.8~17% within 200 rev.
	Diagnosis Time	200 revolution: 3*200 revolution
	MIL On Condition	Immediate
(Case2)	Threshold Value	First 1000 rev: Misfire > 2% After first 1000 rev: Misfire > 2%
	Diagnosis Time	1000 revolution: 4*1000 revolution
	MIL On Condition	2 Driving Cycle