P0300 (blink 17) on Toyota Passo (KGC10): Random/Multiple Cylinder Misfire Detected
Short answer: P0300 means “Random/Multiple Cylinder Misfire Detected”. The car’s computer has found a fault in the Engine control (EFI) system and turns on the Check engine light (MIL). First check: open wire/short circuit for the ignition system circuit.
- Code
- P0300 · blink 17
- System
- Engine control (EFI)
- Dashboard light
- Check engine light (MIL)
- Also sold as
- Daihatsu Boon, Daihatsu Sirion (M300)
- 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)
- Confidence
- high (factory manual, export spec)
- Source
- carmanualsclub.com
Symptoms and when it is set
- Misfiring of random/multiple cylinders is detected during any particular 400 or 2000 ignitions. 2 P0301/17, P0302/17, P0303/17:
- For any particular 400 ignitions for engine, misfire is detected which can cause catalyst overheating. (This causes MIL to blink.)
- For any particular 2000 ignitions for engine, misfire is detected which c
Likely causes
- Open wire/short circuit for the ignition system circuit
- Open wire/short circuit for the ion system circuit
- Injector
- Fuel pressure
- Combustion pressure
- Manifold absolute pressure/ intake air temperature integral type sensor
- Engine coolant temperature sensor
- EFI ECU
Related on this car
- Misfire from coil / carbon
- All fault codes for this car
- Warning lights
- Where the parts are (parts map)
- Common problems
Same code on other cars
- P0300 · Toyota Vitz (1st gen)
- P0300 · Toyota Corolla (11th gen, E170)
- P0300 · Toyota Corolla (10th gen, E140)
- P0300 · Honda City (5th gen, GM2)
- P0300 · Honda Civic (10th gen, FC)
- P0300 · Suzuki Wagon R (Pakistan, K10B)
- P0300 on all cars compared
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.