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Genel OBD2
🟡 Medium
Genel OBD2
P0300
Random/Multiple Cylinder Misfire Detected
The P0300 diagnostic trouble code (DTC) indicates a Random/Multiple Cylinder Misfire Detected. The ignition system is failing to provide or time the electrical spark accurately, which is essential for engine cycles. This anomaly was detected during the ECM's internal diagnostic self-test, indicating that the system is unable to maintain steady-state operation.
Brand
Genel OBD2
Fault Code
P0300
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️🛠️
Hard (Advanced)
Estimated Time
⏱️ 3-6 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
- ✓ Smoke Leak Detector / Vacuum Gauge
⚠️ Possible Causes
- Worn-out spark plugs or ignition coils
- Large vacuum leaks
- Low fuel pressure or contaminated gasoline
- Faulty EGR valve or PCV system
- Internal engine mechanical issues
🔧 Recommended Fixes
- Change all spark plugs and inspect ignition coils
- Perform a smoke test for vacuum leaks
- Check fuel pressure
- Inspect for moisture in the fuel system
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes