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Genel OBD2
🟡 Medium
Genel OBD2
P0291
Cylinder 11 Injector Circuit Low
The P0291 diagnostic trouble code (DTC) indicates a Cylinder 11 Injector Circuit Low. This fault impacts the fuel delivery system, where precise pressure and volume are critical for combustion. Signal voltage is below the minimum threshold, often caused by a short-to-ground in the wiring harness or a failing sensor internal circuit.
Brand
Genel OBD2
Fault Code
P0291
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️🛠️
Hard (Advanced)
Estimated Time
⏱️ 3-6 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
⚠️ Possible Causes
- Short to ground in wiring
- Bad fuel injector
- ECM fault
🔧 Recommended Fixes
- Trace injector wiring for shorts
- Replace component
- Clear check engine light
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes