P0300 · blink 17 – Random/Multiple Cylinder Misfire Detected

System: Engine control (EFI)
Dashboard light: Check engine light (MIL)
Check-engine blink code: 17
Applies to: 1KR-FE: M300 (Sirion export = JDM Boon M300S/M301S(4WD? see gaps) & Passo KGC10/KGC15). JDM-spec ECU not separately documented | K3-VE: M301 (Sirion 1.3 = JDM Boon M310S? / Passo QNC10)
Description: Random/Multiple Cylinder Misfire Detected
Detection / symptoms: Detection: 1 P0300/17: 1.Misfiring of random/multiple cylinders is detected during any particular 400 or 2000 ignitions. 2 P0301/17, P0302/17, P0303/17: 1.For any particular 400 ignitions for engine, misfire is detected which can cause catalyst overheating. (This causes MIL to blink.) 2.For any particular 2000 ignitions for engine, misfire is detected which c
Possible causes: Trouble area: 1.Open wire/short circuit for the ignition system circuit 2.Open wire/short circuit for the ion system circuit 3.Injector 4.Fuel pressure 5.Combustion pressure 6.Manifold absolute pressure/ intake air temperature integral type sensor 7.Engine coolant temperature sensor 8.EFI ECU
What to check: Checking points:; Unit check B8-222/223: spark plug gap 1.1 (+0/-0.1) mm; injector 12 ohm; fuel pressure 324+/-5 kPa
Confidence: high (factory manual, export spec)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights