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Genel OBD2
🟡 Medium
Genel OBD2
P0311
Cylinder 11 Misfire Detected
The P0311 diagnostic trouble code (DTC) indicates a Cylinder 11 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
P0311
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
- ✓ Smoke Leak Detector / Vacuum Gauge
- ✓ Electrical Contact Cleaner Spray
⚠️ Possible Causes
- Bad spark plug
- Faulty ignition coil pack
- Intake vacuum leak
- Low cylinder compression
🔧 Recommended Fixes
- Replace spark plugs and ignition coils
- Perform compression test
- Clean injectors
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes