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Genel OBD2
🟡 Medium
Genel OBD2
P0303
Cylinder 3 Misfire Detected
The P0303 diagnostic trouble code (DTC) indicates a Cylinder 3 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
P0303
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
⚠️ Possible Causes
- Spark plug
- Coil pack
- Injector
- Compression
🔧 Recommended Fixes
- Systematic diagnosis following P0301 procedure for cylinder 3
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes